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Key for Exam 3.2 white - (which the mammal kidney is...

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Key for Exam 3 (2) – white 1. B 2. C 3. B 4. D 5. B 6. C 7. B 8. B 9. B 10. D 11. B 12. B 13. D 14. D 15. B 16. a. innate b. tropic c. autoimmune d. thermoregulation e. proximal tubule (this part wasn’t graded) f. phagocytosis g. fish h. circulatory 17. Basic function Why?? In this animal? Fish gill Respiration or O2/CO2 exchange (fish don’t breathe) More efficient gas exchange for larger and more active lifestyle Bird lung Respiration or breathing or O2/CO2 exchange For flight and high metabolism Amphibian heart Pump blood or circulation of blood To live outside water (the heart did not evolve in order to allow the pulmonary circuit to be bypassed during life under water) Mammal kidney Filtration of blood and osmoregulation Mammals need efficient filtration of blood (high metabolism and blood rate) and also need to conserve water
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Unformatted text preview: (which the mammal kidney is essential for). 18. 1, 9, 4, 10, 8, 6, 7, 5, 3, 2, 1 19. The advantage is that the animals with these hearts could bypass the pulmonary circuit and keep circulating blood underwater to maximize the use of oxygen. 20. f, j, g, a, k, c, l, i, e, d 21. from lower left corner (stimulus) up and around: stimulus- hill; receptor- speedometer (ONLY a place); signal- speed is slowing; control center is driver (ONLY); signal- tell foot to step on gas pedal; effector- pedal (ONLY a place); response- increases speed; homeostasis could be maintaining a constant speed. Several variations on this were accepted, but all boxes and lines had to be described for this situation and some with only one word....
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