Immune System: Diseases, Disorders & Function
When you purchase through link on our site , we may earn an affiliate commission . Here ’s how it works . The role of the resistant system — a collection of social structure and operation within the body — is to protect against disease or other potentially prejudicious foreign bodies . When functioning properly , the immune system identify a variety of threats , including virus , bacterium and parasites , and differentiate them from the body ’s own goodish tissue paper , according toMerck Manuals ....