'Kidneys' in the Bible

And take all the fat covering the inside of the ox, and the fat joining the liver and the two kidneys with the fat round them, and let them be burned on the altar;

Then take the fat of the sheep, the fat tail, the fat covering the insides, and the fat joining the liver and the two kidneys with the fat round them, and the right leg; for by the offering of this sheep they are to be marked out as priests: