Generation Genius Human Body Systems

Front

What happens to a muscle when it contracts?

Back

The muscle shortens and becomes tighter.

Front

What is the main function of the heart?

Back

To pump blood throughout the body.

Front

What happens to your heart rate when you exercise?

Back

It increases.

Front

Which system helps take in oxygen for the body?

Back

The respiratory system.

Front

What important substance does blood carry to the body?

Back

Oxygen.

Front

What is the circulatory system responsible for?

Back

Transporting blood, nutrients, and oxygen to cells.

Front

What do we call the muscle at the front of the upper arm?

Back

Bicep.

Front

What happens to the bicep muscle when you lift something heavy?

Back

It contracts.

Front

Which system works with the circulatory system to provide oxygen?

Back

The respiratory system.

Front

What is the role of the lungs in the respiratory system?

Back

To take in oxygen and remove carbon dioxide.