Questions: Most areas of the human body in contact with the external environment harbor resident microorganisms. True False

The answer is True: Most areas of the human body in contact with the external environment harbor resident microorganisms.

Explanation: The human body is home to a vast number of microorganisms, collectively known as the human microbiota. These microorganisms are found on the skin, in the respiratory tract, the gastrointestinal tract, and other areas that are exposed to the external environment. They play crucial roles in maintaining health, such as aiding in digestion, protecting against pathogens, and modulating the immune system. Therefore, it is accurate to state that most areas of the human body in contact with the external environment harbor resident microorganisms.