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3 Cards in this Set
- Front
- Back
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Arteries |
Take blood from your heat to your organs Thick walls made from muscle and elastic fibres |
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Veins |
The blood from your organs to your heart Thinner walls and valves to prevent backflow |
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Capillaries |
Allow substances needed by the cells to pass out the blood Allow substances produced by the cells to pass into the blood Narrow thin walled blood vessels |
