Human Body Systems

Front

Which system pumps blood through your body?

Back

Circulatory system

Front

What important substance is replenished as blood flows through the heart?

Back

Oxygen

Front

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

Back

It is contracting.

Front

Your lungs are part of which body system?

Back

Respiratory system

Front

What happens to your breathing rate after running a mile?

Back

It decreases.

Front

What is the main function of the circulatory system?

Back

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

Front

What do the lungs do?

Back

They help you breathe and take in oxygen.

Front

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

Back

To pump blood throughout the body.

Front

What is the main function of the respiratory system?

Back

To provide oxygen to the body and remove carbon dioxide.

Front

What is a muscle?

Back

A tissue in the body that can contract and relax to create movement.