Question

What are the defense mechanisms of the human body

Answer 1

Answer:

Natural barriers and the immune system defend the body against organisms that can cause infection.

(see also lines and defense)

Natural barriers include the skin,mucous membranes, tears, earwax,mucus and stomach acid.

Also the normal flow of urine washes out

microorganisms that enter the urinary tract.

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Answer 2

Explanation:

The human body has three primary lines of defense to fight against foreign invaders, including viruses, bacteria, and fungi. The immune system's three lines of defense include physical and chemical barriers, non-specific innate responses, and specific adaptive responses.