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Alex787 [66]
3 years ago
14

Vessels that contain valves to prevent backflow of blood. True or False

Health
2 answers:
7nadin3 [17]3 years ago
5 0

Answer:

true, they would be veins

sergejj [24]3 years ago
3 0

Answer:

True

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.

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