How the Heart works

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  • Created by: amina
  • Created on: 11-06-13 20:46

 

1)   A vena cava (a major blood vessel leading to the heart), transports blood from the body to the right atrium of the heart.

 

2)   When the atrium is full, the muscles contract and force blood through the valves (tissues that prevent blood from flowing backwards) and into the right ventricle.

 

3)   When the right

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