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Varicose veins form when blood pools in the veins.
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∙ 9y ago
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What causes imcompetent valves in leg veins?
Venous insufficiency is a condition in which blood pools in the vein because the valves have become incompetent.
What happens to blood pressure as blood moves from arteries to veins?
Blood pressure decreases as blood moves from arteries to veins. For this reason, veins have valves to encourage the one-way flow of blood back to the heart.
What happens when blood reaches the vein?
Blood flows through veins after delivering oxygen to the body.
What happens in your veins?
Most veins carry deoxygenated blood from the tissues back to the heart; exceptions are the pulmonary and umbilical veins, both of which carry oxygenated blood to the heart. In contrast to veins, arteries carry blood away from the heart. Veins are less muscular than arteries and are often closer to the skin.
What happens when all tha blood goes to the veins?
To and from the heart. in/out the ventricles and the atriums.
What type of blood vessel carries the blood to the heart?
Veins
When the heart beats what happens?
the heart pumps blood into your veins and arteries whenever your heart beats
What return blood to the heart?
Veins return blood to the heart.The pulmonary veins.
What does it mean when an egg yolk has red veins in it?
Contrary to rumor, blood spots/veins do not mean the egg has been fertilized. It happens sometimes when a blood vessel is ruptured while the yolk is being formed.
Does blue veins showing through skin have anything to do with working out?
Blue veins showing through the skin does have something to do with working out. This happens when your blood vessels swell.
What connects blood vessel and the veins?
veins are blood vessels
Why blood is donated from veins?
because you blood is inside your veins.
