urinary

kidney layers

renal cortex outer, renal medulla middle, renal pelvis inner

renal cortex units

nephron

bowman’s cap surrounds

glom

renal pathway

blood, renal artery, arteriole, glom (filtrate), pct, dct

pct reabs

glom filtrate’s nutrients

dct

removes waste, adjust pH thru h+

unabsorbed substances

go to collecting tubules, renal medulla, renal pelvis, urine

urine pathway

kidney → ureter → urinary bladder → urethra

filter

blood to lumen

reabs

lumen to blood

secrete

blood to lumen

excrete

lumen to out

pct reabs subst

salt, water, glucose, bicarb, amino acid, potassium, glucose

pct secrete subst

h+, ammonium

desc loh

reabs water

asc loh

reabs salt