What is the difference between artery and vein?
Arteries carry blood away from the heart under high pressure with thick walls; veins return blood to the heart at low pressure and have valves.
Arteries carry blood away from the heart under high pressure with thick walls; veins return blood to the heart at low pressure and have valves. A reliable way to keep them apart is to focus on what each one is defined by, not just the similar-sounding words.
Key point
artery vs vein
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