destinyschull2260 destinyschull2260
  • 24-01-2024
  • Biology
contestada

Which of the following statements is true regarding mammary glands?
a) They are of epidermal origin.
b) All mammals have nipples associated with the mammary glands.
c) They are associated with hair follicles and secrete sebum.
d) They are used for scent marking.

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