'Archadonicacid cascade leukotrienes' presentation slideshows

The immune system defends against germs and microogransisms through a series of steps called the immune response.

The Immune System. The immune system defends against germs and microogransisms through a series of steps called the immune response. Through this response, the body recognizes and defends itself against bacteria, viruses, and other foreign substances harmful to the body.

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