Human Body Systems

Front

What system works with the circulatory system to take in oxygen during exercise?

Back

Respiratory system.

Front

What happens to the bicep muscle when you lift a weight?

Back

It contracts.

Front

Which system is responsible for pumping blood through your body?

Back

Circulatory system.

Front

What body system do your lungs belong to?

Back

Respiratory system.

Front

What happens to your heart rate when your body works harder?

Back

It increases.

Front

What is the main function of the circulatory system?

Back

To transport blood, nutrients, and oxygen throughout the body.

Front

What do muscles do when they contract?

Back

They shorten and pull on bones to create movement.

Front

What is the role of the respiratory system?

Back

To take in oxygen and expel carbon dioxide.

Front

What is the heart's main job?

Back

To pump blood.

Front

What are the two main parts of the circulatory system?

Back

The heart and blood vessels.