regulates secretion of H and K from blood into nephron
Does diffusion occur through veins and arteries?
NO, only capillaries
How much blood is constantly going through kidneys at any moment?
1/4 of your blood supply
antidiuertic hormone: when there is a lack of water, the pituitary gland creates more ADH. the ADH makes the cell membrane of the collecting duct more permeable to water, so more water is absorbed. this balances the water.