Question

what is meant my artries and veins ?

Answer 1

Answer:Arteries are blood vessels responsible for carrying oxygen-rich blood away from the heart to the body. Veins are blood vessels that carry blood low in oxygen from the body back to the heart for reoxygenation. Arteries and veins are two of the body's main type of blood vessels.

Answer 2

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$\sim$ Arteries.

Arteries carry blood away from the heart. Pulmonary arteries transport blood that has a low oxygen content from the right ventricle to the lungs. Systemic arteries transport oxygenated blood from the left ventricle to the body tissues.

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$\sim$ Veins.

Veins are elastic tubes, or blood vessels, that carry blood from your organs and tissues of the body back to your heart. Each vein is made up of three layers: A layer of membranous tissue on the inside. A layer of thin bands of smooth muscle in the middle.

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