1. Excretory System

2. Main Function
The main function of the excretory system is to filter cellular wastes, toxins (chemicals that could be poisonous to the body), and excess water that result from cellular respiration.

3. Main Organs
Kidneys
Ureters
Bladder
urethra

4. Kidneys
The two kidneys get rid of urea, excess water, and some other waste materials released by the cells .
These are eliminated as urine

5. ureters
Tubes which connect each kidney to the bladder

6. bladder
A saclike muscular organ which stores urine until it is released from the body

7. urethra
Tube through which urine passes before it is removed from the body