Abstract:The immune system comprises an interacting assemblage of cells and soluble molecules, whose primary function is to kill the invading microorganisms that may cause damage to the body. Two interdependent kinds of immune systems are present in most vertebrates, which together trigger one or more different killing mechanisms according to whether the microbes live within or outside the cells of the body. An innate system, mediated by receptors that recognise uniquely microbial structures, responds rapidly to the th… Show more
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