Multiple Choice
How does the skin act as a barrier to microbial invasion?
A) Dead skin cells are packed with keratin, an antibacterial protein that punches holes in bacterial membranes.
B) Sweat and sebaceous gland secretions inhibit bacterial growth.
C) It releases B cells and T cells to fight infections.
D) Dendritic cells patrol the skinʹs surface, producing secretions that inhibit microbe growth.
Correct Answer:
Verified
Correct Answer:
Verified
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