Multiple Choice
Which of the following is NOT a protection the body's inner surfaces use against penetration by harmful microorganisms?
A) thick stratified epithelial layers that prevent penetration
B) sticky mucus that traps microorganisms
C) lysozyme that kills bacteria
D) cilia that sweeps away microorganims
E) all of these are protection against penetration by harmful microorganims
Correct Answer:
Verified
Correct Answer:
Verified
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