Innate immunity: Immunity that is naturally present and is not due to prior sensitization to an antigen from, for example, an infection or vaccination. Since it is not stimulated by specific antigens, innate immunity is generally nonspecific. It is in contrast to acquired immunity. Also called natural immunity.
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The statement that fat in the body helps to protect vital organs is true. Fats play such an important role in many basic functions in the body and the cycle of making, breaking, storing and mobilizing fats is at the core of how humans and all animals regulate their energy.
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Due to slight incapacity in mobility, Crawling should be the acceptable mode of movements for the kid. The parents may assume that putting on prosthetic leg may be time consuming, they will prefer the child to crawl, rather than waiting for prosthetic leg to save their time.
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