Excretory System Overview Flashcards Preview

11- Human Biology S1 > Excretory System Overview > Flashcards

Flashcards in Excretory System Overview Deck (8)
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1
Q

Define excretion

A

the removal of metabolic wastes, made by the body, preventing their harmful increase in concentration.

2
Q

Can the creation of wastes be controlled

A

no, not even by diet, involuntary automatic as a result of systems

3
Q

Name the 5 organs in excretory

A

1) lungs
2) sweat glands
3) alimentary canal
4) kidneys
5) liver

4
Q

What is excreted by the lungs

A

CO2 and water, produced during respiration

5
Q

What is excreted by the sweet glands

A

water, traces of urea, salts, ammonia, lactic acid

6
Q

What is excreted by the alimentary canal

A

bile pigments (breakdown of haemoglobin)

7
Q

What is excreted by the kidney

A

urea, creatine.

8
Q

What is excreted by the liver

A

ammonia/urea, RBC