LYMPHATIC
LYMPHATIC SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Barriers to pathogens include all of these except
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The stratum corneum
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Ciliated epithelium
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HCl in gastric juice
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Pepsin in saliva and tears
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Explanation:
Detailed explanation-1: -The immune system’s three lines of defense include physical and chemical barriers, non-specific innate responses, and specific adaptive responses.
Detailed explanation-2: -Physical barriers include skin, mucus, digestive tract membranes, and traps of respiratory and urogenital which traps entering microorganisms.
Detailed explanation-3: -Chemical barriers against infection include enzymes in tears, saliva and mucus that break down the surface of bacteria.
There is 1 question to complete.