Question

Tubes in which blood flows across the body.​

Answer 1

Answer:

blood vessels: Blood moves through many tubes called arteries and veins, which together are called blood vessels. The blood vessels that carry blood away from the heart are called arteries. The ones that carry blood back to the heart are called veins

Answer 2

Explanation:

blood vessels: Blood moves through many tubes called arteries and veins, which together are called blood vessels. The blood vessels that carry blood away from the heart are called arteries. The ones that carry blood back to the heart are called veins.