osmoregulation

Question 1

whats adh?

Answer 1

anti diuretic hormone. stimulates water reabsorption. if youre dehydrated you have lots of adh.

Question 2

what happens when water levels drop below normal rate?

Answer 2

1) hypothalamus detects higher concentration of solutes in the blood.
2) hypothalamus creates feelings of thirst.
3) person drinks water. adh stimulates kidneys to re-absorb more water. why urine can be concentrated or diluted.

Question 3

what happens when water level rises above normal range?

Answer 3

1) hypothalamus detects low solute concentration.
2) bitiutary releases less adh.
4) kidney re-absorb less water.

Question 4

what is negatve feedback?

Answer 4

the bodys detection and response to changes in levels to bring levels back to normal. glucose, water, temp etc.