The circulatory system functions in the delivery of oxygen

The circulatory system functions in the delivery of oxygen...

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The circulatory system functions in the delivery of oxygen, nutrient molecules, and hormones and the removal of carbon dioxide, ammonia and other metabolic wastes. Capillaries are the points of exchange between the blood and surrounding tissues.
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Unformatted text preview: Materials cross in and out of the capillaries by passing through or between the cells that line the capillary,...
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