What is the largest blood vessel in the human body?
Which blood vessels carry oxygenated blood from the lungs to the heart?
What is the smallest type of blood vessel?
Which blood vessels carry deoxygenated blood from the body to the heart?
What is the function of arteries?
Carry oxygenated blood away from the heart
Which blood vessels have valves to prevent backflow?
What is the function of capillaries?
Exchange gases and nutrients between blood and cells
Which blood vessels supply the heart muscle with oxygen and nutrients?
What is the function of veins?
Carry deoxygenated blood back to the heart
Which blood vessels connect arterioles to venules?