Another type of non-specific defense is the complement system i. This system responds specifically to the intruder b. This includes the production of specific defensive proteins called antibodies c. Also involves certain kinds of white blood cells called lymphocytes B. General overview of the immune response 1. The specific portion of the immune system specifically attacks viruses, bacteria, fungi, and cancer cells with a response that is tailored to be effective against the specific invader a. It also remembers these encounters, so it can more effectively and rapidly battle the invader a second time with a massive, coordinated, immediate response to a second invasion 2.
Immune response is mediated by lymphocytes , which are a type of white blood cell a.
These, when intact, present a physical barrier a. Remember that these defenses also constitute the gut lining 2. These secretions also contain antimicrobial proteins, including lysozyme , which attacks cells walls of bacteria ii. Mucous is thick and viscous, trapping particles that encounter it iii. Cilia line the trachea, and sweep microbes out of the lungs iv. They migrate into infected tissues also ii.