lunes, 29 de diciembre de 2014

CIRCULATORY SYSTEM

The circulatory system is very important for our body.
His function is to transport blood in all our body.
The human heart is an organ that pumps blood throughout the body via circulatory system.
The heart is a very important part of the circulatory system.
The circulatory system is an organ that permits blood to circulate and transport lots of nutrients like oxygen, carbon dioxide, hormones...

Is very important to clean the blood circulating through the body.
Here you can see how the blood go through all the body.

We could not live if we don´t have heart.

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