Front

What body system are your lungs a part of?

Back

Respiratory system

Front

Which system is responsible for pumping blood throughout your body?

Back

Circulatory system

Front

What important substance does blood carry that is replenished in the heart?

Back

Oxygen

Front

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

Back

It is contracting.

Front

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

Back

Respiratory system

Front

What is the main function of the circulatory system?

Back

To transport blood and nutrients throughout the body.

Front

What do we call the muscles that help us move our body?

Back

Skeletal muscles

Front

What is the role of the heart in the circulatory system?

Back

To pump blood.

Front

What do we breathe in that is essential for our body?

Back

Oxygen

Front

What is the function of the respiratory system?

Back

To take in oxygen and expel carbon dioxide.