Question

how are arteries and viens different??

Answer 1

There are a number of differences between veins and arteries.

Veins:
carry blood from the tissues of the body back to the heartare usually positioned closer beneath the surface of the skinare less muscular than arteries, but contain valves to help keep blood flowing in the right direction, usually toward the heartwould collapse if blood flow stops.Arteries:
carry blood away from the heart to the tissues of the bodyare usually positioned deeper within the bodyare more muscular than veins, which helps in transporting blood that is full of oxygen efficiently to the tissueswould generally remain open if blood flow stopped, due to their thick muscular layer.

Answer 2

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Arteries carry blood from the heart to the rest of the body, whereas veins carry blood from the rest of the body back to the heart.

Almost all arteries carry oxygenated blood and almost all veins carry deoxygenated blood. Except pulmonary arteries and veins ...

Arteries have a thick elastic muscle layer, whereas the muscle layer for veins is much thinner.
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