List the Main Components of the Physical Barriers Used as the First

question 55

Essay

List the main components of the physical barriers used as the first line of defense against disease-causing microorganisms.

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Definitions:

Immune Response

The body's defense mechanism against pathogens, involving the activation of immune cells and the production of antibodies.

Bacteria

Microscopic, single-celled organisms found everywhere in the environment, which can be beneficial, harmless, or pathogenic to humans and other life forms.

Foreign Substances

Substances that are not naturally found within an organism or system, often implying exposure to chemicals, toxins, or pathogens from external sources.

Stress

The experience of emotional or mental pressure due to tough or unfavorable conditions.