Chrome 2001
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Aetna Intelihealth InteliHealth Aetna Intelihealth Aetna Intelihealth
 
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Chrome 2001
Chrome 2001

Blood
The average adult has about 10 pints of blood.
Capillaries
These tiny vessels supply oxygen and nutrients to tissues.
Arteries
Arteries expand to increase blood flow when the heart is working hard.
Introduction to the Vascular System
The circulatory network that nourishes your body.
Veins
Veins bring blood back to the heart.


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