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yes.it prevent the intermixing of oxygenated and deoxygenated blood
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What flap of tissue keeps the blood flowing in the wrong direction?
These are valves, and are found in veins to prevent blood from flowing backwards.
What prevents blood from flowing in veins?
veins contain valves that prevents blood flowing backwards between heartbeats.There are valves in the veins that stop the blood from flowing backwards.
What do veins have that arteries do not to keep waste rich blood flowing in the right direction?
Valves.
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.
Are the veins in the valve?
Other way around. Valves appear in veins to keep the blood flowing in one direction to the heart.
What do veins have which prevent blood from flowing towards the heart?
Veins have valves which stop the blood from flowing backwards
What prevents blood from flowing backward into the veins?
valves in the veins
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.
Values inside the veins prevent from flowing what?
Valves in the veins prevent the blood from flowing backward or from pooling.
What blood vessel structure is unique to veins?
Many have small valves that keep the blood flowing in the correct direction. You can actually see these if they fail to work. We call them varicose veins.
Blood in veins is kept flowing in one direction by the presence of?
Valves, allown blood through in one direction when the pressure builds up but close when pressure is applied in the opposite 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.
