HOMEOSTASIS - OSMOREGULATION Flashcards

1
Q

What is Osmoregulation?

A

The process by which organisms control the concentration of water and solutes in their bodies to maintain homeostasis.

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2
Q

Why is osmoregulation important?

It helps maintain proper cell function and prevent dehydration or water toxicity.

A
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3
Q

What organs are involved in osmoregulation?

A

Kidneys and the integument (skin) are some of the organs involved in osmoregulation.

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4
Q

What are the main functions of the kidneys in osmoregulation?

A

The kidneys play a crucial role in osmoregulation by filtering waste products and excess water from the bloodstream, reabsorbing essential substances, and excreting concentrated urine to maintain water and solute balance.

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5
Q

How do the kidneys regulate water balance?

A

The kidneys regulate water balance by adjusting the urine concentration. In times of dehydration, the kidneys reabsorb more water, resulting in concentrated urine. Conversely, in times of excess fluid intake, the kidneys excrete more water, producing dilute urine.

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6
Q

What is the hormone responsible for regulating water reabsorption in the kidneys?

A

The hormone antidiuretic hormone (ADH), also known as vasopressin

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