Friday, June 26, 2009

Cells

You have 6 main types of cells. Red Blood Cells carry oxygen around the body. Nerve Cells send messages from the Brain.
Muscle Cells let you move. Bone Cells are shaped like tree trunk. White Blood Cells kill germs.
Skin Cells are dead 20 to 30 layers deep. You are made of 1,000,0000's of cells.

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