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University of Iowa Biology II (EXAM 3)
Terms in this set (15)
Excretory System maintain:
These are some traits the excretory system does:
1) Filtrates all materials under a certain size out of fluids
2) Secretes specific molecules into the distillate
3) Absorption of specific material back into the fluids
Describe salt secretion by sea birds:
NaCl- gets broken down into NA+ and Cl-. they are then transported into tubules. H2) is drawn in by osmosis and flushes the NaCl soluition into the central canal (nose) to be secreted.
Releases nitrogen through ammonia
Releases nitrogen through uric acid
Uricotelic (birds, reptiles)
Releases nitrogen through urea
What is the function unit of the kidney
Filtration of the Kidney happens where?
Reabsorption and secretion occur between the _____ and _____ _____
tubules and peritubular capillaries
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What is it called when the kidney produces concentrated urine?
What is it called when the kidney produces dilute urine?
Antidiuresis is promoted by?
Long loops of henle
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This is inhibited by drinking
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