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Human Physiology (Example)

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Name Professor’s Name Course Number Date Human Physiology Briefly describe the nature and function of segmental contractions within the GI tract. The muscle contractions in GI tract occur in three general patterns between meals when empty. A series of contraction begins in the stomach and passes slowly from section to section with each series taking about 90 minutes to reach the large intestine. This pattern is known as migrating motor complex the main function of this process is to sweep food remains as well as bacteria from the upper GI tract and take it into the large intestine. Explain how high acid secretion by parietal cells is maintained during the gastric phase of acid secretion. This kind of process starts after the positive H+ from water found in the parietal cell is driven into the stomach lumen by an H+ K+ in exchange for K+ entering the cell followed energy use creating oxygen deficit. Heart rate and breathing rate do not return to normal immediately after exercise because the excess post exercise oxygen consumption compensates for the oxygen. Explain why venous Pco2 changes very little during sub maximal exercise This is due to steady increasing alveolar ventilation proportion to the level of exercise. Aerobic exercises are those that lead to the pumping of oxygenated blood by the heart in order to give the working muscles oxygen. During this exercise the heart and breathing rate are stimulated to sustain the exercise session. Submaximal exercise is an example of an aerobic exercise and during such an exercise there is a proportionate increase in both the carbon dioxide production as well as alveolar ventilation and this explains the unchanged PCO2. However it is only during anaerobic exercises that PCO2 falls in order to be able to compensate for the lactic acidosis. [...]

Order Description:

1. Briefly describe the nature and function of segmental contractions within the GI tract. (2 marks) 2. Explain how high acid secretion by parietal cells is maintained during the gastric phase of acid secretion. (4 marks) 3. Explain the steps involved in the digestion and absorption of lipids. Be specific about any enzymes and locations of each step. (4 marks) 4. Compare the fates of proteins in the fed and fasted states of metabolism. (3 marks) 5. Draw a table to outline the homeostatic responses within the body to maintain a stable temperature in hot and cold environments. (5 marks) 6. Draw a graph illustrating the changes in O2 consumption during an eight-minute bout of moderate exercise. Explain why your heart rate and breathing rate don return to normal immediately after exercise. (4 marks) 7. Explain why venous Pco2 changes very little during submaximal exercise THE TEXTBOOK URL IS THIS: http://gen.lib.rus.ec/book/index.php?md5=44E10EFC4282A70197D5BCB6870F74E4

Subject Area: Biology

Document Type: Paraphrasing

This project has already been completed by one of the Studybay experts. The client rated this project:

Project's rating is 5/5

Price $25

Words 550

Pages 2

Completed in 11 days

Expert Jwillis

Client Review

good job!

Positive
04.18.2017

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