miércoles, 1 de diciembre de 2010

Summary 8 Blood System

In this summary we will talk about the blood system.
There are different types of blood like the type A -type B -type AB -type O.
The red blood cell function is to transport oxygen and nutrients
The white blood cell fight desease.
The platelets stop bleeding, cover injures of bleeding.
The veins transport the blood to the heart. The arteries transport blood to all the body.
The function of the circulatory system is to transport nutrients and oxygen to all the body.

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