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Unit 5 biology > Osmoregulation > Flashcards

Osmoregulation Flashcards

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1
Q

What is a negative feedback

A

Controlling the water potential of body fluids is an example of a negative feedback mechanism. If the concentration of the blood changes, the amount of ADH released changes to maintain a dynamic equilibrium. Nervous stimulation from the hypothalamus controls the amount ofADH released by the pituitary.

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2
Q

What does ADH do in the collecting duct

A

ADH Makes the walls of the collecting duct permeable to water. Water leaves by osmosis and is carried away by capillaries

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Unit 5 biology (13 decks)

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