Blood vessels 2
- Created by: Ellepopovici
- Created on: 29-03-18 17:14
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- BLOOD VESSELS
- Veins
- Features
- Valves
- Stops backflow
- Large lumen
- Thin walls/less muscle
- Low in oxygen
- Except Pulmonary vein
- Low pressure blood
- Valves
- Carries blood to the heart
- Features
- Arteries
- Carry blood away from the heart
- Features
- High blood pressure
- No valves
- Thick walls/ muscle
- Rich in oxygen
- Except pulmonary artery
- Narrow lumen
- To keep blood under pressure
- Capillaries
- Connects veins to arteries
- Features
- 1 cell thick
- Permeable
- Tiny lumen
- Veins
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