Friday, November 21, 2014

Circulatory system

 Circulatory system
We make a ship and we enter to a body to see the circulatory system
The circulatory system is one of the most important ones because it is in charge of taking the blood to the body and oxygen.
One interesting fact is that the heart beat 3 billion times in a lifetime. Some other fact is the plasma.the plasma is the liquid part of the blood and it contains oxygen and other things.

Eduardo Hdz and Sebastian Chavez

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