Multiple Choice
A difficult wound for the immune system to respond to is
A) a bruise, because the blood vessels lose too much blood.
B) a puncture wound, because the first and second lines of defense can be bypassed.
C) a burn, because the acidity of the skin is compromised.
D) a cut or tear, because salty secretions of sweat glands cause infection.
Correct Answer:

Verified
Correct Answer:
Verified
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