What is non specific defence, Biology

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What is Non specific defence

Non specific:  These relate to  the  physical barriers  like  skin  and mucous membrane. They form the first line of defence against entry of microorganisms or foreign substances  in your body. Various body secretions, intestinal flora, iron binding proteins, certain nutrients like vitainin A, vitamin C, protein and zinc, hormonal influences and leukocytes (WBC) act against infections.


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