Complete the sentences describing the vessels of the cardiovascular system. Then put the sentences in order of blood flow through the body.

a) Arteries carry oxygenated blood away from the heart.

b) Arterioles regulate blood flow into capillary beds.

c) Capillaries facilitate exchange of nutrients and waste products at the tissues.

d) Venules collect blood from capillaries and converge into veins.

e) Veins return deoxygenated blood back to the heart.