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The walls of both, arteries and veins, are structured from three layers (Tunica intima, the innermost, - Tunica media, the middle one, - Tunica Adventita, the outermost). They are not the same, though. Arteries transport the blood away from the heart; meaning, they are subjected to high blood pressure. (The pressure the blood exerts on the blood vessel's wall). The difference between the pressure inside an artery and a vein is enormous. The blood in the arteries, leaving the heart has a pressure of 100 %. While the vein, transporting blood back to the heart, has practically no pressure at the end, and had to be helped by one-way valves (to prevent backflow) and muscle pumps, to get the blood back to the heart. For this reason, the middle layer of the arteries have much more developped smooth muscle cells and elastic fibers. They not only make the arteries "stronger", but also help the arteries maintain blood pressure. They expand (when the heart pushes the blood into them) and recoil, (between heart contraction), "transfering" the pressure onto the blood). Veins are, however, more flexible, can partially collapse, and help a good amount "venous reserve" blood. Hope it helps a bit.

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15y ago
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8y ago

No. They are both blood vessels, but arteries carry fresh oxygenated blood from the heart & lungs to the body's cells. Veins returns used blood carrying carbon dioxide from the cells to the heart & lungs.

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14y ago

An artery takes blood away from the heart and a vein towards it. Obviously, arteries and veins are connected.

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12y ago

No

arteries (160) +Aorta (1) < veins (200) + IVC (2)

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13y ago

the arteries connect to capillaries which connect to the veins

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12y ago

they all carry blood to my massive erection

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Q: Are veins and arteries the same thing?
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What do the veins on the heart do?

the same thing all veins do, it returns blood to the heart and circulation , arteries take blood to the body


How do veins arteries and capillaries compared in size within diameter?

arteries are the biggest and capilleries are small,but veins are the same size range with arteries


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Is the artery the same size as your vein?

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Veins and arteries don't enter bone. They are outside of bones. The only thing inside bone is bone marrow.


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The tunica media of arteries is larger than that of veins of same size.The tunica adventitia is larger in veins than arteries of same size.


What do arteries and veins drain?

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What is the difference between the blood in the arteries and the blood in the veins?

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Thee difference between muscle in veins and arteries is that muscles of arteries are thicker compared to those of veins.


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