Identify the Two Ways Barrier Defenses Contribute to the First

question 20

Essay

Identify the two ways barrier defenses contribute to the first line of defense in innate immunity.Provide two examples of each and an example of a barrier that functions in both ways.

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Definitions:

Impulses

Electrical or chemical signals transmitted through nerves in the body.

Center

The point that is equally distant from every point on the circumference of a circle or sphere, or the middle point of a given entity or space.

Arteritis

Inflammation of the arteries that can cause them to thicken, weaken, narrow, and scar, affecting blood flow.

Artery

A blood vessel that carries oxygen-rich blood away from the heart to the body.