Human Body Systems

Front

What happens to your breathing rate after running a mile?

Back

It decreases.

Front

Where does digestion start in the human body?

Back

In the mouth.

Front

Which system is responsible for pumping blood through your body?

Back

The circulatory system.

Front

What part of the digestive system absorbs nutrients into the bloodstream?

Back

The intestine.

Front

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

Back

It increases.

Front

What is the main function of the respiratory system?

Back

To help you breathe and exchange gases.

Front

What organ is primarily responsible for filtering blood?

Back

The kidneys.

Front

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

Back

To pump blood throughout the body.

Front

What do we call the process of breaking down food?

Back

Digestion.

Front

Which system helps you move your body?

Back

The muscular system.