Front

What is the main function of the heart?

Back

The heart's main function is to pump blood around the body.

Front

True or False: Arteries carry oxygen-rich blood away from the heart.

Back

True

Front

What are the smallest blood vessels in the body called?

Back

Capillaries

Front

Which of the following is NOT part of the circulatory system: heart, blood, bones, arteries?

Back

Bones are not part of the circulatory system.

Front

What is the largest artery in the human body?

Back

The Aorta.

Front

What is the role of veins in the circulatory system?

Back

Veins carry deoxygenated blood back to the heart.

Front

What is blood made up of?

Back

Blood is made up of red blood cells, white blood cells, platelets, and plasma.

Front

What is the function of capillaries?

Back

Capillaries allow for the exchange of oxygen, carbon dioxide, nutrients, and waste between blood and tissues.

Front

What is the role of the pulmonary artery?

Back

The pulmonary artery carries deoxygenated blood from the heart to the lungs.

Front

What is the function of red blood cells?

Back

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