kidney

Noun

Human kidneys

Kidney is an organ that is part of the human body. It cleans the blood and makes urine (pee) which is the dirty water that needs to leave the body.
Our kidneys are very important organs in our body.

When you drink more water, your kidneys can clean the blood better and make more urine.
The organ that does the same thing in the body of other animals.

Parts of the body (edit)
head	ears - eyes - eyebrow - nose - mouth - lips - tongue - tooth (pl. teeth) - cheeks - chin
torso	neck - throat - shoulders - chest - breasts - ribs - abdomen - pelvis - back
internal organs	heart - lungs - liver - stomach - kidneys - intestines - bladder - ovaries - uterus/womb
extremities	arms - hands - fingers - legs - feet - toes
sex organs	penis - vagina - testicle - ovary - vulva