Contrast the structure of veins and arteries for each of the following properties:
Thickness of the muscle and elastic tissue
Size of the lumen (inside of the vessel)
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Explanation:
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.
Size of the lumen (inside of the vessel)
A lumen (plural lumina) is the inside space of a tubular structure, such as an artery or intestine.1 It comes from Latin lumen, meaning 'an opening'. It can refer to: The interior of a vessel, such as the central space in an artery, vein or capillary through which blood flows.
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