Topic Content:
- Structure of Arteries, Veins, and Capillaries
Blood vessels consist of arteries, veins and capillaries.

Arteries:
Arteries are blood vessels which carry blood away from the heart. They have thick and elastic walls which can withstand high pressure from the blood flowing in them.
Arteries are situated deep in the body and do not usually have valves. Arteries divide into smaller vessels
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