Which of the following contains chemicals that kill bacteria and prevent bacterial invasions of the skin?
A) sweat
B) hemoglobin
C) keratin
D) sebum
E) melanin
Correct Answer:
Verified
Q21: People who produce a lot of melanin
Q22: Although you get wet while swimming, which
Q23: Where are mucous membranes found?
A) lining joint
Q24: Which of the following membranes is composed
Q25: The skin and its derivatives (nails, glands,
Q27: Which of the following reduces friction in
Q28: The only dry membrane is the _.
A)
Q29: Which of the following letters in the
Q30: What provides toughness to the dermis and
Q31: The two main layers of skin are
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