Name two physical barriers that prevent microorganismsfrom entering the body. In what ways are microorganismsremoved from body surfaces?
Name two physical barriers that prevent microorganisms
from entering the body. In what ways are microorganisms
removed from body surfaces?
Microorganism referred to as those organisms that are single-celled and can only be visualized using a microscope. These microorganisms include bacteria virus or fungus.
The physical barriers that prevent microorganism from entering the body are skin and mucous membranes. Skin act as a barrier that prevents microorganisms from entering inside the body. The mucosal membrane has a dense structure and epithelial tissues in this membrane act as a barrier and blocks the entry of microorganism.
The only way of removing the microorganisms from the surfaces of the body is sterilization. Sterilization either kills or deactivates the microorganisms present on the body surfaces. In this process, microorganisms are killed in vegetative spore state, and disinfectant can also be used to remove the microorganisms from the body's surfaces.
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