Describe the working of immune system, Biology

Q. What is the function of the immune system?

The immune system performs specific defense against agents the antigens that are harmful to the body or foreign.

Exogenous antigens are often in contact with the entering the airway or skin, the digestive tube and the genital mucosae and orifices they can also penetrate the circulation directly through wounds.

Posted Date: 6/5/2013 1:49:29 AM | Location : United States

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