ANATOMY
LYMPHATIC SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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These are all examples of mechanical mechanisms that prevent entry of microorganisms into the body except:
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tears to wash out eyes
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skin
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complement cascade
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saliva in the mouth
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Explanation:
Detailed explanation-1: -We have already discussed several examples of mechanical defenses, including the shedding of skin cells, the expulsion of mucus via the mucociliary escalator, and the excretion of feces through intestinal peristalsis.
Detailed explanation-2: -Mechanical Defenses For example, the flushing action of urine and tears serves to carry microbes away from the body. The flushing action of urine is responsible for the normally sterile environment of the urinary tract. The eyes have additional physical barriers and mechanical mechanisms for preventing infections.
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