natural immunity
inherited, affected by race, gender, genes and cells
Natural immunity, also known as innate immunity, is the first line of defense that the body uses to protect itself against harmful pathogens. This type of immunity is present in an individual from birth and is not specific to any particular pathogen. Natural immunity includes physical barriers, such as skin and mucus membranes, that prevent pathogens from entering the body. It also includes white blood cells, such as natural killer cells and phagocytes, which engulf and destroy invading pathogens.
Natural immunity is an important aspect of the immune system as it provides immediate protection against a wide range of pathogens. However, it has limitations as it cannot distinguish between different pathogens and provide specific protection against them. This is where adaptive immunity comes into play, which is a more specific and targeted response that develops over time as a result of exposure to a particular pathogen.
Overall, natural immunity is a critical aspect of the immune system that provides immediate protection against harmful pathogens while the body develops more specific and targeted responses through adaptive immunity.
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