By me Circulatory System Quiz

How many chambers does the heart have?

• One

• Four

• Two

• Three

Which blood vessel carries blood to the heart?

• Arteries

• Veins

• Capillaries

• Lungs

What is the function of valves in the heart?

• Release carbon dioxide

• Absorb oxygen

• Stop blood from flowing backwards

• Pump blood

Which blood vessel carries blood away from the heart?

• Arteries

• Veins

• Capillaries

• Lungs

Where does deoxygenated blood enter the heart from?

• Kidneys

• Brain

• Lungs

• Inferior and superior vena cava

Which chamber of the heart does blood flow into after the right atrium?

• Right atrium

• Left ventricle

• Right ventricle

• Left atrium

What is the function of the pulmonary arteries?

• Carry deoxygenated blood to the lungs

• Carry oxygenated blood to the lungs

• Carry blood to the heart

• Carry blood away from the heart

Where does the blood absorb oxygen from the alveoli?

• Capillaries

• Arteries

• Veins

• Lungs

Which blood vessel carries oxygenated blood from the lungs to the heart?

• Aorta

• Pulmonary vein

• Inferior vena cava

• Pulmonary artery

Where is carbon dioxide released into the capillaries?

• Kidneys

• Lungs

• Heart

• Brain