The small intestine builds an important barrier against pathogens, but it has to absorb nutrients efficiently at the same time for optimum function.
A pathogen refers to living microorganisms that are capable of causing diseases and harm to their host. Thus, they include the following:
Basically, the small intestine has the ability to build an important barrier against pathogens. However, it has to absorb nutrients efficiently at the same time for optimum function of an organism.
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