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3 Cards in this Set
- Front
- Back
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Arteries |
-Small lumen -normally carry oxygenated blood away from heart. -high pressure strong elastic walls -largest artery is the aorta |
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Capillaries |
-really small -Arteries branch to capillaries -carry blood really close to every cell to exchange substances -permeable walls, substances diffuse -one cell thick decrease diffusion distance |
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Veins |
-Blood back to the heart -normally deoxygenated blood -capillaries join up to form veins -lower pressure not as thick wall as arteries -bigger lumen helps blood flow -valves prevent back flow -largest vein is the vena cava |
