The answer is option B.
The skin is a physical
barrier, and as it, it plays an important role in order to prevent the
entrance of microbia to the body. For this reason, there is a very
little percentage of microorganisms that achieve to enter in our body, generally by food, mosquito bites, or injections.
Feeding - consuming food or items to statisfy hunger.
importance -
1) maintaining proper body(prevent muscles and organs from wasting away)
functioning
2) For brain development
3) to gain energy for activities
