Circulatory & Respiratory System

Front

What is the main function of the heart?

Back

The heart is a pump that moves blood throughout the body.

Front

What do the lungs take in when you breathe?

Back

Oxygen.

Front

What do the lungs remove when you breathe?

Back

Carbon dioxide.

Front

What structure protects the lungs?

Back

The rib cage.

Front

Which of the following is NOT part of the circulatory system?

Back

Lungs.

Front

What are the main components of the circulatory system?

Back

Heart, blood, and blood vessels.

Front

What is the role of arteries in the circulatory system?

Back

Arteries carry oxygen-rich blood away from the heart.

Front

What is the role of veins in the circulatory system?

Back

Veins carry oxygen-poor blood back to the heart.

Front

What is the function of red blood cells?

Back

Red blood cells carry oxygen from the lungs to the rest of the body.

Front

What is the function of the respiratory system?

Back

The respiratory system allows us to breathe in oxygen and expel carbon dioxide.