blood capillaries |
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| navigate by keyword : anatomical anatomy arteries arteriole artery biology blood bloodstream board body capillaries capillary cardiovascular cells circulation circulatory cleanse co2 color drawing endothelial flow graphic heart human illustration immune isolated kidney lymph lymphatic lymphoid medical nodes organ oxygen physiology science system tissues vein veins venous venule vessel vessels |
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| Blood flows away from a body's heart via arteries, which branch and narrow into arterioles, and then branch further still into capillaries. |
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