Complete the following association: Skin cancer is to exposure to UV radiation as

Akeratin is to tanning.

Bacne is to excessive secretion of oil.

Cwaterproofing is to temperature regulation.

Dmelanin is to acne. User: Structures in the dermis that help regulate body temperature are

Aoil glands and sweat glands.

Bblood vessels and sweat glands.

Cmuscle fibers and blood vessels.

Doil glands and blood vessels.