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

Increases.

Front

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

Back

It is contracting.

Front

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

Back

Oxygen.

Front

Your lungs are part of which body system?

Back

Respiratory.

Front

What is the main function of the circulatory system?

Back

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

Front

What is the role of the digestive system?

Back

To break down food and absorb nutrients.

Front

What do muscles do when they contract?

Back

They shorten and pull on bones to create movement.

Front

What is the function of the heart?

Back

To pump blood throughout the body.

Front

What is the main organ of the respiratory system?

Back

Lungs.