Which of the following describes the path blood takes as it leaves the heart and then returns?
a.veins, venules, capillaries, arterioles, arteries
b.Arteries, venules, capillaries, arterioles, veins
c.Veins, arteries, capillaries, venules, arterioles
d.Arteries, arterioles, capillaries, venules, veins
Answer: d. Arteries, arterioles, capillaries, venules, veins