The Heart
- Created by: x.bethb
- Created on: 07-04-18 18:07
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- Veins
- have valves, carry to the heart, made of joint capillaries
- HEART
- Arteries
- high pressure, blood away from the heart, thick, strong elastic walls
- Capilleries
- tiny vessels, one cell thick, small lumen, permeable walls
- Arteries
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