excretion Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

what is excretion?

A

a removal of metabolic waste from the body

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

what is metabolic waste?

A

a substance that that is produced in excess by the metabolic processes in the cells; it may be toxic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

what are the excretory organs?

A
  • the lungs
  • the liver
  • the kidneys
  • the skin
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

what are the two sources that the liver gets its bloody supply from?

A
  • the hepatic artery

- the hepatic portal vein

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

what are a few metabolic functions of the liver?

A
  • control of blood glucose levels, amino acid levels, lipid levels
  • synthesis of plasma proteins
  • synthesis of red blood cells in a foetus
  • detoxification of alcohol
  • destruction of red blood cells
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

what is a nephron?

A

the functional unit of the kidney

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

what is ultrafiltration?

A

filtration of blood at a molecular level under pressure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

what is filtered out of the blood?

A
  • water
  • amino acids
  • glucose
  • urea
  • inorganic mineral ions
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

what are the treatments for kidney failure?

A
  • Renal dialysis

- kidney transplant

How well did you know this?
1
Not at all
2
3
4
5
Perfectly