B12 Homeostasis in action (Triple only) Flashcards
1
Q
what does ADH do
A
increases water reabsorption into the blood from the nephron (kidney)
makes the urine more concentrated
2
Q
what is untrafiltration
A
the first bit of filtration the kidneys do
filters blood plasma, mineral ions, glucose and urea into the kidneys
3
Q
what is vasodilation
A
when the arterioles supplying capillaries near the skin dilate, allowing more blood close to the skin so heat can be lost by radiation
4
Q
what is vasoconstriction
A
when the arterioles supplying capillaries near the skin constrict, allowing less blood close to the skin so less heat is lost by radiation
