Kidney

Kidney (腎臓) ia bean-shaped organs found in vertebrates. It's located on the left and right in the retroperitoneal space, and in adult humans are about 11 centimetres (4.3 in) in length. It receive blood from the paired renal arteries; blood exits into the paired renal veins. Each kidney is attached to a ureter, a tube that carries excreted urine to the bladder.

Appearance
Kidney looks like a huge shrine, just like heart.