What element of the immune system does the term'innate immunity' refer to?
The body's immediate, general defense against pathogens
The immune system's ability to remember previous infections
The capacity to activate T cells
The process for creating antibodies
Answer
Innate immunity is the body's immediate, general defense against pathogens. It is the first line of defense against infection and is present from birth. Innate immunity is made up of physical barriers, such as the skin and mucous membranes, as well as chemical barriers, such as stomach acid and tears. It also includes the body's natural killer cells and phagocytes, which are cells that destroy pathogens.
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