Question

Name the blood vessels which have valves.What is the purpose of the these valves?​

Answer 1

Unlike arteries, veins contain valves that ensure blood flows in only one direction. (Arteries don't require valves because pressure from the heart is so strong thatblood is only able to flow in one direction.) Valves also help blood travel back to the heart against the force of gravity.

Answer 2

Answer:

I wish it will help you.

Explanation:

Unlike arteries, veins contain valves that ensure blood flows in only one direction. (Arteries don't require valves because pressure from the heart is so strong that blood is only able to flow in one direction.) Valves also help blood travel back to the heart against the force of gravity.