jueves, 1 de enero de 2015

the cyrculatory system


     
                                             The circulatory system

The cyrculatory system is system that transport nutrients and blood by the veins.



They have five parts:heart,aorta,vein,artery and capillaries

The most importan organ of The circulatory system is the heart.
Bucouse with out the heart we can not live.
The veins transport blood and nutrients in our body

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