Q 26

As blood travels through the venous system toward the heart, why do the veins become larger in diameter? A)The transition causes the resistance to increase further so that the flow rate of blood increases. B)The transition causes the resistance to decrease further so that the flow rate of blood increases. C)The transition causes the resistance to decrease further so that the flow rate of blood decreases. D)The transition causes the resistance to increase further so that the flow rate of blood decreases. E)The transition reflects no change in the resistance, but causes the flow rate of blood to increase.

Multiple Choice