B3.3.4 Kidney Flashcards
1
Q
How is concentration of urine controlled?
A
By anti-diuretic hormone (ADH), released into bloodstream by pituitary gland
2
Q
What does the brain do?
A
Monitors water content of blood
Instructs pituitary gland to release ADH into blood + how much
3
Q
What does ADH do?
A
Makes kidney tubules more permeable so that more water is reabsorbed back into the blood
4
Q
ADH loop…
A
Is negative feedback
5
Q
Capsule
A
Outer membrane of kidney
Helps maintain shape and protect
6
Q
Cortex
A
Outer part of kidney
7
Q
Medulla
A
Inner part of kidney
8
Q
Where is urine produced?
A
Nephrons -microscopic tubules inside kidney
