Human Body Systems

Front

What happens to what's left of our food after it goes through the intestines?

Back

Disposed of in the bathroom.

Front

As your body works harder, what happens to your HEART rate?

Back

It increases.

Front

Your lungs are part of which body system?

Back

Respiratory system.

Front

If you take a rest after running a mile, what happens to your BREATHING rate?

Back

It decreases.

Front

When Dr. Jeff bends his arms to lift this weight, what is happening to his bicep muscle?

Back

It is contracting.

Front

What is the main function of the respiratory system?

Back

To help you breathe and exchange oxygen and carbon dioxide.

Front

What organ pumps blood throughout the body?

Back

The heart.

Front

What is the role of the intestines in digestion?

Back

To absorb nutrients and dispose of waste.

Front

What happens to your muscles when you exercise?

Back

They contract and get stronger.

Front

What is the function of the circulatory system?

Back

To transport blood, nutrients, and oxygen to cells.