How White Blood Cells Work

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=0TvTyj5FAaQ

The white blood cells are an important part of our body's immune system.Neutrophils are a special group of white blood cells that play an extremely important...

neutrophils, infection, immune system, phagosome, bacteria, lysosome, white blood cells, blood count, neutropenia, white blood, blood cells
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