NEWS AND INFORMATION ABOUT THE HEALTH OF MEDICINES AND NURSING

Monday, March 26, 2012

Anatomy of human body 2

ok i'll countinue my post about anatomy of human body..now i'll explain about circulation.
i'll begin with general circulation of human body..
our circulatory system consists of your heart and blood vessels. Together, these provide a continuous flow of blood to your body, supplying the tissues with oxygen and nutrients. Arteries carry blood away from the heart; veins return blood to the heart. 
this the diagram:
this ficture draw about our circulation general ,
next i get about arteries and veins..
 arteries carry blood away from the heart. Oxygenated blood is pumped out of the heart through the body's main artery — the aorta. Arteries that branch off the aorta transport blood throughout the body, supplying tissues with oxygen and nutrients. 

veins carry blood back toward the heart. Tiny vessels called capillaries in organs and tissues of the body deliver deoxygenated blood into small veins called venules, which join to form veins. Blood flows through the veins to the body's two main veins (called the vena cavae), which deliver the blood back into the heart. 

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