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Homeostasis/Excretory Systems

Question:
3 processes the nephron uses to clean the blood

Answer:
filtration (not very selective; only based on size so some nutrients are allowed into the nephron)
reabsorption (active transports most nutrients from the nephron back into the blood - i.e. RE-abosrbs them into the blood to be sure no "good" stuff is left in the urine to be removed from the body)
secretion (active transport of toxins, etc. out of the blood into the nephron along the tubules - to be sure all of the "bad" stuff ends up in the urine for transport out of the body)
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Last update by FunnelBrain on 10/17/2010
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Homeostasis Excretory Systems
Homeostasis/Excretory Systems
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This set of flashcards contains review questions for the AP Biology Exam based on Dennison's "Must Know Topics" handout.
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Free Flashcard From Homeostasis/Excretory Systems
Question: 3 processes the nephron uses to clean the blood
Answer: filtration (not very selective; only based on size so some nutrients are allowed into the nephron)reabsorption (active transports most nutrients from the nephron back into the blood - i.e. RE-abosrbs them into the blood to be sure no "good" stuff is left in the urine to be removed from the body)secretion (active transport of toxins, etc. out of the blood into the nephron along the tubules - to be sure all of the "bad" stuff ends up in the urine for transport out of the body)