How does blood help fight infection?

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  1. Dr. Anthony Komaroff
     
    Dr. Anthony Komaroff answered:
    Blood participates in innate immunity. Proteins known as complement proteins circulate in the blood, coating invading bugs and punching holes in them, which speedily destroys them. Small fragments of complement proteins also adhere to the pathogen surface, flagging them for destruction by phagocytes.
    More Related Answers from Dr. Anthony Komaroff
    Blood participates in innate immunity. Proteins known as complement proteins circulate in the blood, coating invading bugs and punching holes in them, which speedily destroys them. Small fragments of complement proteins also adhere to the... More