Translations:Adventist Youth Honors Answer Book/Nature/Marine Mammals/33/en
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6. What is the purpose of blubber?
Blubber is a thick layer of fat found under the skin of all cetaceans, pinnipeds and sirenians. It covers the whole body, except for the appendages, loosely attached to the muscles. It can comprise up to 50% of the body mass of some marine mammals during some points in their lives. Blubber serves several different functions, it is the primary area of fat on some mammals, and essential for storing energy. It is particularly important for species which feed and breed in different parts of the ocean. During these periods the species are operating on a fat-based metabolism.
