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Veins are the vessels that carry de-oxygenated blood back the heart. Without the venous system, there would be no way for blood to return to the heart, and circulation would not be complete.

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Q: Why are vein important in blood circultion?
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Related questions

What is the most important vein?

The pulmonary vein is the most important vein found in the heart because it brings oxygenated blood from the lungs into the left atrium.


Whats is the function of femoral vein?

The femoral vein carries blood from the leg back to the heart. It is an important vessel in the venous system for returning deoxygenated blood for reoxygenation.


What major blood vessels take blood to the hepatic vein?

the gastrosplenic vein joins the superior mesenteric vein and takes blood to the hepatic vein


When was Blood-vein created?

Blood-vein was created in 1931.


Which is the only vein in the body to carry oxygenated blood?

The PULMONARY vein. Pulmonary = lungs. Vein = ALWAYS carries blood TO the heart.


Why is it important for a persons blood to produce fibrin?

Because it helps close the cut in the vein.


What happens to the clean blood in the renal vein?

The clean blood in the renal vein is carried back to the heart to be circulated throughout the body. This blood is important for delivering oxygen and nutrients to tissues and organs, as well as removing waste products.


What major vessels take blood to hepatic portal vein?

Gastrosplenic Vein joins the Superior Mesenteric Vein and takes blood to Hepatic Portal Vein and delivers blood to liver.


What vein carry blood away from the heart?

the blood that carries blood from your heart is your arteries


Vein of the fetal pig that carries oxygenated blood?

There are two veins that carry oxygen they are the Pulmonary vein and the Umbilical vein:-)


How come vampires drink blood from your neck if it is not the biggest blood source in your body?

It Is, That Is Where The Jugular Vein Is. The Jugular Vein Is The Biggest Most Important Vein In The Body And Runs Down Thw Side Of The Neck, If Opened There Is No Way To Close It And It Is Pressurized So It Spurts. All Your Blood Will Be Out Of Your Body Within 4 Minutes.


How does the blood flow when a vein is cut?

Blood flow from a vein is slower than that from an artery.