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List The Structures And Functions Of The Respiratory System

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1. List the structures and functions of the cardiovascular system. Do not forget blood and vessels are part of this system. The cardiovascular consists of the heart, blood vessels and blood. It has three functions one of them is that it transports nutrients, oxygen and hormones to cells throughout the body and removes wastes such as carbon dioxide and nitrogenous waste. It also regulates the body’s temperature, fluid pH and water contents of cells. And also it protects it by white blood cells, antibodies, and complement proteins that circulate in the blood and defend the body against foreign microbes and toxins. 2. List the structures and functions of the lymphatic system. The lymphatic system consists of capillaries, vessels, nodes, and other organs that transport a fluid called lymph from the tissues as it returns to the bloodstream. The lymphatic tissues of the organs filters and cleans the lymph of any debris, abnormal cells or pathogens. It also transports fatty acids from the intestines to the circulatory system. 3. List the structures and functions of the respiratory system. The respiratory system has three parts, the airway, the lungs, and the muscle of respiration. The airway …show more content…

Explain the pathway of blood starting with leaving the left ventricle and ending with entering the left ventricle including the valves. Tricuspid has a three-leaved appearance, it is located between the right atrium and the right ventricle. It closes when the atrium is filling, and it opens when it empties blood into the right ventricle. The pulmonary semilunar valve is located between the right ventricle and the pulmonary arteries. It opens when the right ventricle empties blood going to the lungs. The Mitral valve that is in the left atrium and the left ventricle, it opens to allow blood to empty from the left atrium into the left ventricle. The Aortic semilunar valve separates the left ventricle from the aorta and opens to allow the left ventricle to empty into the

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The liver has a portal vein as well as a hepatic vein. It also has unique exchange blood vessels similar to capillaries, called “sinusoids.” How do these unique structures determine the function of the organ? • The livers main function is to filter and process the blood it receives. The portal vein and hepatic vein then deliver the nutrient rich blood to the capillaries (sinusoids).

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Harvey William Harvey’s seminal work “On the Motion on the Heart and Blood in Animals” initiated modern medicine. Harvey’s arguments were detailed readily verifiable and though they did endure a fair bit of criticism when released, in most areas, they were accepted within his lifetime. Once his simple notion of the circulation of blood was carefully described others were able to see and understand its validity themselves. I will argue that William Harvey’s theory which used inductive reasoning to show, with experiments, how blood flowed from veins to arteries through the heart and deduced the existence of capillaries to return blood from arteries to veins. One of the main understandings of the day, proposed by Galen of Pergamon nearly 1500 years earlier, was that blood was a resource that was produced in the liver and consumed in the tissues and the brain.

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Homeostasis is the body's method of keeping internal stability no matter what external influence disturbs its normal functioning (Anna, 2011). And the respiratory system is one of the systems in the body that helps to maintain homeostasis by maintaining pH and regulating gas exchange. The main function of this system is take in oxygen and get rid of carbon dioxide. This system has external respiration and internal respiration. External respiration is a mechanical process that exchange of gases in and out of the body, while internal respiration is the chemical process that breaking down nutrients with oxygen to produce energy.

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About The lymphatic system is a system in the human body that runs alongside the body parts that make up the circulatory system. Blood vessels leak a fluid called lymph; the lymphatic system works to take the lymph and transfer it back into the circulatory system. The lymphatic system is open to cells containing diseases such as cancer cells, but along the lymphatic system are lymph nodes which filter out any unwanted cells. When the lymph nodes fail to function or have been removed the lymphatic system and circulatory system are both left vulnerable to these disease carrying cells; this it’s what’s known as lymphedema.

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This system transports fluid (lymph) containing infection-fighting white blood cells throughout the body. Organs that can be found in this system are as follows: tonsils, adenoids, spleen, thymus, and lymph nodes. Each of these organs have a special task in the system. Tonsils are the first line of defense. The spleen is the largest lymphatic organ that stores white blood cells and platelets and recycles red blood cells.

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