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.
Explanation: A psychiatrist is a professional in the field of medicine specialized in treating mental illnesses. Normally the psychiatrist treats mental problems through medications and in some cases also specializes in using psychological therapy.