ANATOMY
LYMPHATIC SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following is the second line of defense?
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phagocytes, NK cells, antimicrobial proteins like interferons, complement system, and transferrins, and the inflammatory response
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B Lymphocytes
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the skin and mucous membranes along with their secretions
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cell-mediated and humoral immunity
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Explanation:
Detailed explanation-1: -Pathogens that successfully cross the physical barriers are next encountered by the second line of defense. This innate immune response mostly involves immune cells and proteins to nonspecifically recognize and eliminate any pathogen that enters the body.
Detailed explanation-2: -Complement proteins: The complement system is a group of serum proteins that functions in second line of defense. These proteins can interact with each other and other components of immune system.
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