A Sac-like organ that stores urine until it is ready to be released from the body.

Tiny tubes in the kidneys that are wrapped in capillaries. They filter and cleanse the blood.  They also balance the supply of water and salt in the body.

The main organs of excretion. Wastes from the blood enter here and form a liquid called urine.

Its purpose is to excrete, or remove waste from the body.

A liquid that is formed in the kidneys.  It is made up of wastes and water.

The excretory organs that give off carbon dioxide and water when you exhale.

A tube that carries urine from the bladder out of the body.

Tube that connects each kidney to the bladder. Urine leaves the kidney and travels through these tubes to be stored in the body until released from the body.

The largest organ in the body.  Heat, water, and salt are given off through pores, or openings, in this organ.