The heart

What is the role of the atrium in the heart?

• Pumps blood out of the heart

• Cleans the blood

• Receives blood entering the heart

• Produces blood cells

What role do the ventricles play?

• The ventricles play a role in breathing.
• The ventricles play a role in vision.
• The ventricles play a role in digestion.
• The ventricles play a role in pumping blood out of the heart

What is the other name for the mitral valve?

• atrial valve

• ventricular valve

• bicuspid valve

• septal valve

How does oxygen-rich blood return to the heart?

• Through the pulmonary veins

• Via the aorta

• Through the right atrium

• Via the pulmonary arteries

What is the approximate distance covered by the network of blood vessels in the body?

• Nearly 100,000 miles

• Approximately 30,000 miles

• Over 60,000 miles

• Around 10,000 miles