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Respiratory, excretory, & immune system > Excretory system > Flashcards

Excretory system Flashcards

1
Q

Homeostasis

A

internal stability of the body

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2
Q

How does the excretory system aid in homeostasis

A

removes waste products from the body

helps maintain nutrient and water level

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3
Q

Metabolism

A

chemical processes that happened inside of a call

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4
Q

Excretion

A

Removal of nitrogen containing wastes in the body

Also removes heat from the body

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5
Q

4 most common metabolic wastes

A

1) Carbon dioxide
2) Water
3) Mineral salts
4) Nitrogen compounds

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6
Q

Difference between metabolic waste and feces

A

feces is not part of any metabolic process

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7
Q

where is carbon dioxide found as a waste product

A

cellular respiration

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8
Q

where is water found as a waste product

A

used throughout the body

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9
Q

where is Mineral salts found as a waste product

A

build up during metabolism (NaCl KNO3)

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10
Q

Nitrogen compounds

A

produced when cells break down amino acids (ammonia; uric acid)

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11
Q

Feces

A

wastes produced by the digestive system

not part of the functioning body

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12
Q

Ammonia

A

toxic

produced by every cell

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13
Q

Urea

A

liver combines CO2 and ammonia

Kidneys filter urea out of the blood and put it into urine

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14
Q

Composition of urine

A

Urine = Urea + water + mineral salts

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15
Q

Diuretics

A

Chemical that increase urine flow

Causes dehydration in the body
(coffee, alcohol)

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16
Q

4 main excretory organs

A

1) Skin
2) liver
3) lungs
4) kidneys

17
Q

Skin

A

protects the body, make hormones, regulates body temperature

18
Q

Sweat glands

A

Regulate body temperature

cools body by absorbing heat as it evaporates

19
Q

Liver

A

detoxifies the blood

keep blood contents at a consistent level

20
Q

Lungs

A

release gases from the body

21
Q

Kidneys

A

filters the blood and remove wastes from it

main organs of excretion

22
Q

Flow of metabolic wastes

A

Metabolic wastes are made in calls → Blood → Heart → Renal artery → Kidneys → Ureters → Urinary bladder →Urethra → Exits the body

Respiratory, excretory, & immune system (7 decks)

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