Excretory System Flashcards
1
Q
Definition
A
Remove waste to maintain environment
2
Q
Function
A
Filter blood to remove toxic waste
Regulate body fluid
Remove nitrogenous waste
3
Q
Nitrogen’s waste
Mammals
A
Mammals- remove ammonia in form of urea/requires water. Urea is removed as urine
Birds- remove ammonia in the form of uric acid/ doesn’t require water.
No bladder so they can fly
4
Q
Function of kidney
A
Formation of urine
Production of renin
5
Q
3 layers of kidney
A
Renal cortex
Renal pelvis
Renal medulla
6
Q
Renin
A
Enzyme that regulate blood pressure
7
Q
Osmoreuglation
A
Balance salt/water levels concentration in body
Hypothalamus detect the water change
Hormone used is ADH
