Question

3 difference between artery and vein​

Answer 1

Answer:

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The chief difference between arteries and veins is the job that they do. Arteries carry oxygenated blood away from the heart to the body, and veins carry oxygen-poor blood back from the body to the heart. Your body also contains other, smaller blood vessels.

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Answer 2

Answer:

Veins:

• carry blood from the tissues of the body back to the heart
• are usually positioned closer beneath the surface of the skin
• are less muscular than arteries, but contain valves to help keep blood flowing in the right direction, usually toward the heart
• would collapse if blood flow stops.

Arteries:

• carry blood away from the heart to the tissues of the body
• are usually positioned deeper within the body
• are more muscular than veins, which helps in transporting blood that is full of oxygen efficiently to the tissues
• would generally remain open if blood flow stopped, due to their thick muscular layer.