I defended the body against both infectious disease and foreign materials.
I am found throughout the body, including in the blood and lymphatic system.
What am I?
White Blood Cells
Wednesday, November 25, 2009
First stop
This kind of cell protects your body from germs and fights infections.
I defended the body against both infectious disease and foreign materials.
I am found throughout the body, including in the blood and lymphatic system.
What am I?
White Blood Cells
I defended the body against both infectious disease and foreign materials.
I am found throughout the body, including in the blood and lymphatic system.
What am I?
White Blood Cells
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