Question

Which statements correctly describe how blood moves through a person’s body?

Select all that apply.


1. Blood moves toward the heart through arteries.

2. Blood moves away from the heart through veins.

3. Blood moves away from the heart through arteries.

4. Blood moves toward the heart through veins.

Answer 1

Blood primarily moves in the veins by the rhythmic movement of smooth muscle in the vessel wall and by the action of the skeletal muscle as the body moves. Because most veins must move blood against the pull of gravity, blood is prevented from flowing backward in the veins by one-way valves.