See the link below: mamashealth.com/organs/kidney.asp Also kidneys regulate the blood pressure.
The kidneys produce urine.
The kidneys produce urine by filtering the blood.
The kidneys produce urine
Your kidneys produce urine.
Your kidneys produce urine.
The kidneys filter the blood to produce urine
nephrons
Anything that drinks a lot of water will have clear-er urine. It is simply the kidneys doing water regulation. Dehydrated animals, if they urinate at all, will have seriously yellow urine.
The kidneys produce urine, which is stored in the urinary bladder until excretion.
pee, wee or urine
Your Kidneys and How They Work, see the link below
Your Kidneys and How They Work, see the link below