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One-way valves prevent the back flow of blood
There are tiny one way valves throughout a vein. These stop blood from flowing backwards. Interestingly, when these valves in veins in the legs malfunction, the result are varicose veins.
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∙ 11y ago
Wiki User
∙ 15y agoAll veins, with the exception of those in the head and face, have one-way valves which prevent blood from flowing away from the heart, and helps prevent blood from pooling in dependent areas.
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∙ 16y agobecause veins have valves
Wiki User
∙ 11y agothe blood can pass hrough the lungs
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∙ 15y agovalves
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∙ 15y agovalves
Wiki User
∙ 13y agoValves
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Values inside the veins prevent from flowing what?
Valves in the veins prevent the blood from flowing backward or from pooling.
What prevent blood from flowing backward in blood vessels?
veins have valves in them that prevent backflow
What prevents blood from flowing backward into the veins?
valves in the veins
What are the blood vessels that contain valves to prevent blood from flowing in a backward direction?
Pulmonary artery which contains pulmonic valve and aorta which contains aortic valve.
What do veins have which prevent blood from flowing towards the heart?
Veins have valves which stop the blood from flowing backwards
Does a cartilage prevent blood from flowing backwards in veins?
no
The vessel with valves that keep blood from flowing in the right direction?
Veins have valves to make sure that blood flows in only one direction.
What Valves inside the veins prevent blood from flowing from the heart?
The blood in veins is not under direct pressure from the heart. It has little valves inside to prevent blood from flowing backwards away from the heart. These valves inside the veins prevent the backflow of blood in veins. They encourage the one-directional flow of blood to the heart.
Do valves inside the veins prevent blood from flowing into the heart?
The blood in veins is not under direct pressure from the heart. It has little valves inside to prevent blood from flowing backwards away from the heart. These valves inside the veins prevent the backflow of blood in veins. They encourage the one-directional flow of blood to the heart.
Do veins have valves that prevent the backward flow of blood when closed?
yes.. yes they do :)
Valves inside the veins prevent blood from flowing what to the heart?
to your mom
Valves inside the veins prevent blood from flowing where?
Heart valves help prevent blood from flowing backwards through the chambers of the heart. They open only one way to allow blood to flow through to the next chamber, and close against flow of blood from the other directon.
