immune system functions

the immune system brainstorm why do organisms contract diseases? what happens when an organism contracts a disease? what factors can help (or hinder) the likelihood that we will contract a disease? what happens when an organism is injured? what factors can help (or hinder) the likelihood that we will recover from an injury? basic organization and function of the immune system the immune system is the body’s response to disease and injury nonspecific response (innate immunity) specific response (acquired immunity) t-cell (part of the specific immune response) nonspecific response exterior barriers skin mucous membranes secretions nonspecific response involves myeloid leukocytes (including all phagocytic cells) such as macrophages participate in the inflammatory response to injury or disease...

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