Cardiovascular System

Last update by mayur on 03/27/2014
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What do capillaries do? Describe their structure.

Carry nutrient-rich, oxygenated blood from thearteries and arterioles to the body cells.

Delicate, microscipic
Thin walls allow passage of oxygen and nutrients out of the bloodstream and into cells.

At same time, waste products such as carbon diozides and water pass out of cells and into the thin-walled capillaries.

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    Small artery
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    carbon dioxide (CO2)

    Gas (waste) released by body cells, transported via veins to the heart, and then to the lungs for exhalation.
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Cardiovascular System
Cardiovascular System
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