Excretory System Flashcards

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1
Q

What does the excretory system do?

A

-removes excess and waste products from the body to maintain homeostasis

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2
Q

What is homeostasis?

A

-homeostasis is the process of monitoring and regulating variables in the body

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3
Q

Why is excretion important for homeostasis?

A

-organisms excrete excess water and waste from the body to maintain idle acid and base levels

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4
Q

What are the steps of the excretory system?

A

-filtration which occurs in the glomerulus

-reabsorption which occurs in the loop of henle and tubules

-and finally secretion, active transport

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5
Q

What is filtration in the excretory system?

A

-Small, uncharged ions, passively move into bowman’s capsule, out of the blood
- large compartments stay behind

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6
Q

Where does filtration occur?

A
  • Filtration occurs in the glomerulus and bowman’s head
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7
Q

Where does Reabsorption occur?

A
  • Reabsorption occurs in the loop of henle and tubules
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8
Q

What happens in transportation in the excretory system?

A

-Water and nutrients like glucose are returned from filtrate in nephron, back into the blood

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9
Q

What is the nephron?

A

-the nephron is a filtering unit in the kidney

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10
Q

Where does the excretory system occur?

A

-in the nephron which is in the liver

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11
Q

What happens in secretion in the excretory system?

A

-collecting duct
-active transport moves particles that are too big out of the blood into the urea

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12
Q

What is the effect of diabetes on the kidneys?

A

-damage to nephron and blood vessels

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13
Q

What happens when dehydrated?

A
  • when dehydrated, pores are used to obtain more water
    -hypothalamus is released
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