Understanding Heart Functions

What is the main function of the heart in the human body?

• To digest food

• To pump blood

• To control movement

• To produce energy

How many chambers does the human heart have?

• 2

• 3

• 4

• 5

Which part of the heart receives oxygen-rich blood from the lungs?

• Right atrium

• Left atrium

• Right ventricle

• Left ventricle

What is the name of the blood vessels that carry blood away from the heart?

• Veins

• Arteries

• Capillaries

• Nerves

Which side of the heart pumps blood to the lungs?

• Left side

• Right side

• Both sides

• Neither side

What is the function of the valves in the heart?

• To mix oxygen-rich and oxygen-poor blood

• To prevent blood from flowing backward

• To increase the speed of blood flow

• To store blood

What is the name of the largest artery in the body?

• Pulmonary artery

• Aorta

• Coronary artery

• Carotid artery

Which part of the heart pumps oxygen-poor blood to the lungs?

• Right atrium

• Left atrium

• Right ventricle

• Left ventricle

What is the role of the left ventricle in the heart?

• To receive blood from the body

• To pump blood to the lungs

• To pump blood to the rest of the body

• To store blood

What is the name of the thin-walled upper chambers of the heart?

• Ventricles

• Atria

• Valves

• Septum