The Respiratory System Essay - 584 Words

The respiratory system is the process responsible for the transportation and exchange of gases into and out of the human body. As we breath in, oxygen in the air containing oxygen is drawn into the lungs through a series of air pipes known as the airway and into the lungs. As air is drawn into the lungs and waste gas excreted, it passes through the airway, first through the mouth or nose and through the pharynx, larynx and windpipe – also known as the trachea. At this point it then enters the lungs through the bronchi before finally reaching the air sacs known as alveoli. Within the lungs, through a process known as diffusion, the oxygen is transferred to the blood stream through the alveoli (air ducts) where it is then transported inside†¦show more content†¦Within the alveoli, the oxygen is transferred to the blood whilst simultaneously collecting waste carbon dioxide for excretion as we breath out. This transference is known as diffusion and is linked to the cardio vascular system. Diffusion is an automated process by where the levels of oxygen, water and carbon dioxide pass over a ‘semi-permeable membrane’ between the walls of the cells and blood vessels to create a level environment. This membrane only allows these three elements to pass whilst retaining other elements such as blood cells, hence semi-permeable. The high concentration on one side of the cells transfers through this membrane until the level is equal on both sides. The human body comprises of two respiratory sponges called lungs. The left lung is slightly smaller than the right as it makes room for placement of the heart. Due to this slightly smaller size, it only contains two lobes whereas the right lung has 3 lobes. Both lungs are host to the network of air sacs or alveoli which transport the air from the outside environment to the external and internal respiration processes. As we breathe in, the muscles in the chest wall force the thoracic area, ribs and connective muscles to contract and expand the chest. The diaphragm is contracted and moves down as the area inside the chest increases as air enters the lungs. The lungs are forced open by this expansion and the pressure inside the lungs becomes enough that it pullsShow MoreRelatedRespiratory Systems And The Respiratory System855 Words   |  4 Pagesmouth and nose? Now, I know it is because of the respiratory system. The respiratory system is built up of the organs in our body that serve us to breathe. It offers the blood with oxygen in order for the blood to deliver oxygen to all parts of the physical structure. When we breathe, we inhale oxygen and exhale carbon dioxide. This exchange of gases is the respiratory system s means of bringing oxygen to the blood (WebMD. Web). The respiratory system is included nasal cavity, mouth, trachea, bronchiRead MoreRespiratory System1551 Words   |  7 PagesRES PIRATORY SYSTEM The respiratory system consists of all the organs involved in breathing. These include the nose, pharynx, larynx, trachea, bronchi and lungs. The respiratory system does two very important things: it brings oxygen into our bodies, which we need for our cells to live and function properly; and it helps us get rid of carbon dioxide, which is a waste product of cellular function. The nose, pharynx, larynx, trachea and bronchi all work like a system of pipes through whichRead MoreRespiratory System2621 Words   |  11 PagesAamp;P II Instructor: David Armoogam September 10, 2010 The respiratory system helps with breathing, inhaling and exhaling. The respiratory systems main function is to give oxygen to the body’s cells and get rid of the carbon dioxide the cells produce. Breathing would be impossible without the respiratory system, which includes the nose, throat, voice box, windpipe, and lungs. In this essay I plan on explaining how the respiratory system functions as well as its parts. The exchange of two gases calledRead MoreThe Respiratory System Of The Upper Respiratory Tract Essay1797 Words   |  8 Pages The respiratory system is divided into two main parts, the upper respiratory and lower respiratory tract. The upper respiratory tract consists of the nasal cavity which is a hollow space behind the nose, it is lined with mucous membrane and small hairs, which traps smaller particles entering with the air, the nasal cavities main purpose is to heat, humidify and filter the air before it passes into the lungs (Whittemore and Cooley, 2009 ). The sinuses are hollow areas in the bones of the skull andRead MoreThe Respiratory System And The Digestive System1640 Words   |  7 Pagesand each system within the body follows common principles for this exchange, but adapts to suit its own requirements and function. The human body has a smaller surface area to volume ratio in comparison to smaller organisms, which are able to gain all gases that are needed though simple diffusion, and therefore is not able to complete all of the exchanges of the materials it requires in the same way. To ensu re that it obtains all of the materials that are needed, specialised systems are presentRead MoreThe Function Of Respiratory System845 Words   |  4 PagesAccording to Melinda (2014), the function of respiratory system is to supply oxygen into the body, by breathing in, and to remove carbon dioxide which is the waste, from the body, by breathing out. Franklin (2014), outlines that oxygen is most needed in the body, in order to live. This is because every cell in the body needs oxygen, in order to function properly. Also, oxygen is required in the blood in order to covert food into energy. Beside, Melinda (2014), clarifies that these movements areRead MoreFunctions Of The Respiratory System860 Words   |  4 PagesFunctions of the Respiratory System Introduction The main purpose of the respiratory system is to exchange oxygen and carbon monoxide between the body and the environment. Throughout the body are specific organs and structures that make the respiratory system possible. In humans, respiration takes place in the lungs. In the article by Kim Ann Zimmermann, Respiratory System: Facts, Function, and Diseases she explains how the series of organs in a person s body work together to exchange theRead MoreEssay on The Respiratory System1072 Words   |  5 Pageshow our body inhales oxygen and exhales carbon dioxide. This is possible because of the respiratory system. This system in the body is what allows us to breathe and continue our lives. An average human breathes fifty million times in their lifetime! The structure affects the function of this intricate and wonderful system that keep us alive. It all starts from the nose. The basic parts of the respiratory system are the lungs, nose, trachea, diaphragm and alveoli. When we inhale, the diaphragm, whichRead More The Respiratory System Essay1538 Words   |  7 PagesThe respiratory system is a complex organ structure of the human body anatomy, and the primary purpose of this system is to supply the blood with oxygen in order for the blood vessels to carry the precious gaseous element to all parts of the body to accomplish cell respiration. The respiratory system completes this important function of breathing throughout inspiration. In the breathing process inhaling oxygen is essential for cells to metabolize nutrients and carry out some other tasks, but it mustRead MoreRespiratory System Essay462 Words   |  2 PagesRespiratory System The respiratory system consists of a series of tubes that air passes on its journey from the nostrils. The nostrils open into the nasal cavities, which are lined with moist eiliateol epithelium. Whether one breathes through the nose or the mouth, a breath of air enters the body and flows through the nasal cavity to the pharynx (throat). The back of the nasal cavities is continuous with the throat region, or pharying. Air flows through the larynx (voice box) and into the

Powerful Women of Homers Odyssey Essay - 516 Words

The Powerful Women of Homers Odyssey nbsp;nbsp;nbsp;nbsp;nbsp; nbsp;nbsp;nbsp;nbsp;nbsp; Homers Odyssey depicts women as strong subjects-they are real substantive characters. Women in this poem are tough, strong-willed and are treated with the respect and seriousness they deserve.nbsp; Homer characterizes the women in his poem as the real counterparts of men-they have real feelings, real plans and are able to accomplish them on their own. nbsp; nbsp;nbsp;nbsp;nbsp;nbsp; Some of the more impressive and intriguing women in the book are Nausicaa, Arete, Circe, Calypso, Penelope, Helen and Athena.nbsp; nbsp; nbsp;nbsp;nbsp;nbsp;nbsp; Nausicaa is a sweet girl, and on the outside she may†¦show more content†¦nbsp; nbsp;nbsp;nbsp;nbsp;nbsp; Circe and Calypso, while very tricky and sly, are still very strong feminine characters.nbsp; Circe takes Odysseus crew and turns them into swine; when Odysseus is able to resist her spell, due to the Moly he had been given by Hermes, she is dismayed and takes him as her lover. She is mysterious and seductive and is strong even up against Odysseus.nbsp; Calypso is a sea nymph who keeps Odysseus captive for nine years, hoping to make him her husband.nbsp; She is a strong-willed temptress whose sultry ways are able to reel in even the most determined man. nbsp; nbsp;nbsp;nbsp;nbsp;nbsp; Penelope and Helen are the real human women who can steal mens hearts with their own feminine ways and they never let their man go.nbsp; Helen stole the heart of Paris and later married Menelaus-the love that Paris had for Helen began the long Trojan War.nbsp; Even with her shaded past, Helen is able to live her life as a proper adjusted middle-class matron.nbsp; Penelope and Odysseus were only together for a few years before he was sent off to war and, while he was gone for over twenty years, his love for her lasted.nbsp; Penelope is the symbol of marital fidelity, of trust, honornbsp; and devotion. nbsp; nbsp;nbsp;nbsp;nbsp;nbsp; Lastly, there is Athena who is a strong woman, aShow MoreRelatedThe Odyssey, by Homer Essay1150 Words   |  5 PagesHomer’s Odyssey was written around 700 BC. During this time there was major social and economic change, which brought the development of new cities, as well as new laws to govern them. Political rights and citizenship in Greek society truly defined the roles of women in this time period. All of the laws governing the population of Greece were not only written by men, but also enforced by men. Homer’s Odyssey is the product of a society in which men played the dominant role. Women were held atRead MoreThe Odyssey And Trojan Women1684 Words   |  7 Pagesbetween them Greek poet Homer and tragedian playwright Euripides explore many of the same themes in their works the Odyssey and Trojan Women (written by each respectively). Both works are inspired by the events of 12th Century BCE Trojan War that Homer previously explored in the Iliad. The two examine the worth of cunning over brute strength, the dangers of temptation and the role of women in their respective time periods. Despite having extremely similar central ideas, the techniques employed by eachRead MoreFemale Archetypes in Odyssey1289 Words   |  6 PagesA Plotting Princess: Female Roles in The Odyssey and Antigonà ª Karen Rustad The fairy tale Snow White is a story about two women. One, the evil stepmother, schemes against her stepdaughter in order to assuage her envy and increase her power. She, of course, is thwarted by the end of the story. The other, Snow White, is a pure, innocent damsel entirely devoid of will. Nevertheless, by the end her prince saves her and she lives happily ever after. While Snow White is a European fairy tale, itsRead MoreOdysseus Is A Hero?950 Words   |  4 PagesTo most people, Odysseus is believed as a hero. A hero is a person who is admired or idealized for courage, achievements, and noble qualities. In one of Homer’s classic epics, The Odyssey, Odysseus is admired by many people as a man who has intelligence, nobility, and confidence. However, women who both loved and knew Odysseus than anyone, thought of him differently and knew him in depth. Through The Meadowlands and The Penelopiad, Circe and Penelope showed their strong opinions of this â€Å"hero† throughRead MoreAnalysis Of Homer s Epic Of The Iliad And Odyssey903 Words   |  4 PagesWith this personal narrative, I will analyze two themes from Homer’s epic’s pertaining to the Iliad and the Odyssey. I have chosen hospitality (Xenia) and shame (Aidos) as the subject of interest, and will focus on these as a main source of the topic. Xenia is the ancient Greek word for â€Å"hospitality†, which is the consideration and kindness shown to those who are far from home and/or associates of the person bestowing xenia upon them. The rituals of hospitality created and conveyed a reciprocalRead MoreHomer’S Two Tales, The Iliad And The Odyssey, Are Both1749 Words   |  7 PagesHomer’s two tales, the Iliad and the Odyssey, are both incredibly well known and widely taught across the world and at many different levels of education. Some call Homer the â€Å"greatest poet to ever live† and although this can be disputed his works truly speak for themselves and have braved the test of time quite well. This paper will cover who/whom Homer is as a person, or persons, and the time period of his writings, the truths versus the dramatizations of the Iliad and Odyssey, how the author’sRead MoreEssay Homers Women: Empowerment from an Unlikely Feminist1959 Words   |  8 Pages Women have always bee n treated unfairly in society. Even in the modern era, women have just begun to receive their rights, many of which their male counterparts received long before. Women have their unique history and when looking back and learning of the histories behind people, including the background on women, the first place historians look are written works. Greek society is no different since much is known about it through Greek literature, such as the epics the Iliad and the Odyssey. HoweverRead MoreVirgil s The Iliad And The Odyssey1403 Words   |  6 PagesVirgil s Aeneid takes a character form Homer’s Odyssey and constructs a life for him beyond Homer’s ideas. It is quite obvious that Virgil was heavily influenced by both Homer’s writings, The Iliad and the Odyssey. Both stories tell of parallel journeys home from Troy at the end of the Trojan War. Homer’s Odysseus is returning to Greece and the family he left behind ten years ago. Virgil’s Aeneas, in co ntrast has been given a direct command by the God, Mercury to create a new Empire. Both menRead More Important Role of Women in Homers Odyssey Essay examples1721 Words   |  7 Pages   For the Greeks, Homers Odyssey was much more than just an entertaining tale of gods, monsters, and men, it served as cultural paradigm from which every important role and relationship could be defined.   This book, much more so than its counter part The Iliad, gives an eclectic view of the Acheans peacetime civilization.   Through Odyssey, we gain an understanding of what is proper or improper in relationships between father and son, god and mortal, servant and master, guest and host, and--importantly--manRead More Penelope, Clytaemestra, Athena, and Helen of Homer’s Odyssey1448 Words   |  6 PagesThe Ideal Women of Homer’s Odyssey      Ã‚  Ã‚  Ancient Greek society treated women as secondary citizens. Restrictions were placed on the social and domestic actions of many aristocratic women in ancient Athens.   The women depicted in Homers Odyssey, on the other hand, are the ideal.   Penelope, Clytaemestra, Athena, and Helen are all women with exceptional liberty and power.     Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚   Before comparing the women of the Odyssey to those of Athens, it is beneficial to take a look into the lives

Sex, Lies and Conversation free essay sample

In the essay, â€Å"Sex, Lies and Conversation† by Deborah Tannen, the author claims that the men more likely to talking in public place, but less at home. The women is more likely to talk to their husband at home, but do not talk in the public. We see this when the author explain the reason. She states, â€Å"In the public setting of a guest lecture, men felt challenged to show his intelligence and display his understanding of the lecture. But at home, where he has nothing to prove and no one to defend against, he is free to remain silent. For his wife, being home means she is free from the worry that something she says might offend someone,or spark disagreement,or appear to be showing off; at home she is free to talk. † This suggests the men likely to talk in public because they want to showing their intelligence to other people, but women feel free to talk at home because they do not have to fear about creating conflict with others. We will write a custom essay sample on Sex, Lies and Conversation or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page Similarly, in the piece , â€Å" The Revolt of Mother† by Mary E. Wikins Freeman, the character Mrs. Penn does not want to say anything to his wife. We see this when he was asked for the reason to built the new barn instead of the house by his wife after they finish eating at home. He states, â€Å" â€Å"I want to know what youre buildin that new barn for, father. † wife asks. â€Å"I aint got nothin to say about it. † men says. â€Å"It cant be you think you need another barn? † wife asks. â€Å"I tell ye I aint got nothin to say about it, mother; an I aints gointo say nothin. † men reply again. † This suggests the wife really want to find out the reason why her husband built the new barn, but the men did not want to talk to her, he thought he do not need to give explanation to his wife. In fact, he is building the new barn for showing off his achievement to other men in public. It also support Tannen s claim that men are likely to show off his advantage to the public, and when the wife talk to the husband about her feeling or thought at home, the men do not want to say or mention anything to the wife. Therefore, the fact that men are more prefer to talk in public than at home, and women prefer to talk at home than in public is supported by both the essay and the piece.

DATE Oct. 9, 1998 Essay Example For Students

DATE: Oct. 9, 1998 Essay TOPIC: Cross-Cultural Comparison of Physical FitnessSUBTOPIC: The Singapore Youth Coronary Risk and Physical Activity StudySOURCE: Schmidt, G.J., Walkuski, J.J., and Stensel, D.J. (1998) The Singapore Youth Coronary Risk and Physical Activity Study. Medicine and Science in Sports and Exercise. PURPOSE: To examine the youth at coronary risk in Singapore because of a lack of physical activity. ABSTRACT: A cross-sectional study of 12 schools, one primary and one secondary, revealed the coronary risk of youths in Singapore. These studies were taken from each of the six geographical regions of Singapore. Children enter Primary School at approximately age six, and secondary school at approximately age twelve. To get a more evenly distributed age and gender sample, four additional schools were also added. The ethnic groups of the entire group consisted of the following: 1293 Chinese (81.9%), 137 Malay (8.7%), 84 Indian (5.3%), and 64 other (4.1%). One of the first studies was to have 24 students wear monitors which recorded heart rate. They had to wear them for 24 hours three days a week and for 14 hours two other days of the week. The conclusion from this study was that school children were moderately accurate in documenting their individual activities. The recordings also showed that when children participated in self-disclosed activities, they had higher recorded heart rates . A questionnaire was developed from this study and was comprised into three sections. These sections were, the participants assessed their current level of physical activity using the following categorizations: 1) inactive, 2) relatively inactive, 3) light physical activity, 4) moderate physical activity, and 5) vigorous physical activity. The second section related to the participants level of physical activity over the previous 14 days. The third section asked the participants to document the number of specific annual athletic events. If the students answer to annual sports participation was not equal to the exact number of sport events stated, the students questionnaire was considered invalid. A total of 8.9% were discarded in relation to this. The survey was overall considered to be reliable. A week of school in Singapore consisted of five days and Saturday morning. On each Saturday morning, the schools doing this study would complete the Physical Activity and Exercise Question naire. The students underwent a physical assessment of blood pressure, height, and weight. They were assessed for body composition using a skinfold caliper, tape measure, and bone vernier. They then had a blood sample taken for analysis of their bloods chemistry. This occurred after the written completion of background information. Here are some of the results of these tests. As you may recall, height was recorded.Height was greater for each age group until boys reached the age of 15, and girls reached the age of 14. Weight also kept increasing until age 16 for boys and age 14. This demonstrates that the students had basically reached the end of their growth spurts. As for body fat readings, boys body fat percentage was higher from age 6 to 9, then stayed consistent up to about age 14, then had lower body fat readings after the age of 15. For girls, body fat was relatively the same for girls 6 to 12. Greater body fat was recorded between ages 12 and 15 and about the same body fat readings thereafter. Body fat corresponded with boys and girls to how much physical activity they participated in. As for the physical activity and exercise questionnaire, boys were generally more vigorously active than girls. Furthermore, boys were more physically active than were girls at each age group from age 10 to 17. However, gi rls documented that they were active in annual sports at age 13 more than boys were. However, afterwards, boys annual participation in competitive sports was higher than that of the girls. As for the blood tests, no discrete differences were noted between the genders nor between different age groups. REACTION:Although the article seemed difficult to follow at times, there was some very good information in it. There were a bountiful number of charts in the article which helped to understand the material that was not very well explained. After reading the title I thought that the youth in Singapore were under risk of coronary problems. After reading the article, you discovered that there were no students with an overly dangerous blood pressure level. I think it would be nice to do studies like this in the U.S. I know that there are many overweight teens and need to get on an exercise and diet plan. Teenagers usually dont have high blood pressure, granted there are teens in some cases that do. The tests done in Singapore were mainly to try and detect things that would later on in life be a health problem. There are probably kids in the U.S. that think that they are healthy but they are not. If tests could be done to prove that they werent, maybe they would change their unhealthy lifestyle.

Women Equal to Men

Free Essays on Witch

Free Essays on Witch Conviction Thoughts running through my mind As I stare out the lonely window I wonder†¦ What’s going to happen to me? If I am convicted, will they let me live or let me die? Why do they believe that I am a witch? What have I done? I haven’t pointed my finger I haven’t conjured any spells I was just simply dancing in the woods Does that make me a witch? I haven’t ever spread any wings I haven’t ever flown like a bird I just don’t understand I’m not a witch I’ve haven’t ever talked to the devil I haven’t worshiped any spirits How can I prove to you that I am not a witch?...

Is Religion Bad for Women's Development and the Pursuit of Gender Essay

Is Religion Bad for Women's Development and the Pursuit of Gender Equality - Essay Example However, since the Second World War, religions have become increasingly involved in developmental projects and in particular have played a significant role in bringing relief to the poor. For example, in 2006, when the UK’s Minister of finance implemented an immunisation programme for raising 2.1 billion pounds for children under 5 globally, the first significant contributors were Pope Benedict XVI, the Archbishop of Canterbury, the Chief Rabbi, the Muslim Council of Britain, the Hindu Forum of Britain and the Network of Sikh Organizations (Clarke & Jennings, 2008). Thus in determining whether or not religion is bad for women’s development and the pursuit of gender equality, it is important to avoid focusing narrowly on extremism and radicalism and to look more closely at the contributions of moderates (Clarke & Jennings, 2008). It is also important to acknowledge that secular approaches to development and the reduction of poverty have proven to be ineffective (Haynes, 2007). For example, despite secular projects in which governments have partnered with non-governmental organizations (NGOs), millions of people around the world, particularly â€Å"women and the poor† do not have â€Å"adequate healthcare† and/or opportunities for education (Haynes, 2007, p. 9). As a result, there has been a growing belief that secularism and faith-based organizations (FBOs) are both needed to ensure development and poverty reduction. Despite religion’s long and firmly established support of education for women and the poor, some doubt that religion can make a significant contribution to development (Aiken, 2010). Religious organizations and FBOs have persistently lent their support to the poor and destitute. This is especially true for victims in war torn areas and areas suffering the after-effects of natural disasters. Religious organizations and FBOs provide aid in these kinds of circumstances for two reasons: they recognize the â€Å"values of charity and mercy† and they adhere to the belief that all human beings have value (Ferris, 2005, p. 313). How can these values and beliefs, particularly when put into practice, be anything but good for women’s development and the pursuit of gender equality? In particular, since secularism has largely failed to achieve developmental objectives, religion was arguably the missing link between achieving development of women and gender equality. Moreover, NGOs have been more productive and effective in promoting equality and development across genders, races, ethnic groups and for providing relief to the poor and the destitute. As Ferris (2005) observes, NGOs have a much greater presence than governments across the globe. Many NGOs are not only operated by religions, but are also supported by religions. For example, in Asia, â€Å"thousands of NGOs† are operated by religious groups and â€Å"individuals with religious convictions† (Candland, 2000, p. 356). Moreover, Candland (2000) argues that despite the lack of empirical evidence: ...it is quite likely that a higher percentage of family income is contributed to social welfare groups in Buddhist and Muslim Asian societies, despite the absence of tax incentives, than in European and North American Societies. Buddhists and Muslims devote significant amounts of their income to private social welfare organizations (p. 357). Therefore compared to secular states, religious states have a greater awareness of social justice. In this regard, it can be argued that since religious practices, values and beliefs are manifested by a greater awareness of social and welfare justice, religion is not bad for the development of wo