Round 1
Round 2
100

This system helps you digest and absorb nutrition from your food.

Digestive system.

100
This system is the organs and structures in your body that allow you to breathe.

Respiratory system

200

This is the system that circulates blood throughout the body. Your heart and blood vessels make it up.

Circulatory system

200

This system is made up of the organs that make urine and remove it from the body.

Urinary system