Excretory System
Contents
Key Stage 3
Meaning
The excretory system is an organ system in animals that removes the urea from the blood.
About the Excretory System
- Urea is toxic to cells so the excretory system is essential to remove it from the blood.
- The excretory system is made of the following parts:
Key Stage 4
Meaning
The excretory system is an organ system in animals that removes the waste products from cells.