This is known as adaptive immunity. Vaccines utilize this adaptive immunity and memory to expose the body to the antigen without causing disease, so that when they live pathogen infects the body, the response is rapid and the pathogen is prevented from causing disease.
Condition in which the small intestine<span> cannot absorb nutrients from food that passes </span>
D. Reversibility
<span>Reversibility is defined as any adaptation that takes place as a result of training will be reversed when you stop training. If you take a break or don’t train often enough you will lose fitness.</span>
Congenital insensitivity (CIP)
