Understanding the Human Heart

Where is the human heart located in the body?

• On the right side of the body

• Behind the sternum on the left side

• Near the abdomen

• In the center of the chest

What is the primary function of the heart?

• To digest food

• To produce hormones

• To pump blood throughout the body

• To filter waste from the blood

Which blood vessels carry oxygen-rich blood from the lungs to the heart?

• Vena cava

• Pulmonary veins

• Capillaries

• Aorta

What happens to blood in the capillaries?

• It becomes oxygenated

• It becomes deoxygenated

• It is filtered

• It is stored

What can cause a heart attack?

• Low cholesterol levels

• High blood pressure

• Blocked flow of oxygen-rich blood to the heart

• Excessive exercise