Explanation:
1.blue whale
2.Because whales are warm-blooded mammals one of the factors that help keep their body warm is by increasing their metabolic rate which helps burn calories and transfer heat through their blood and to vital organs and muscles.
Whales are also able to keep warm due to the thick layer of insulated blubber that surrounds their body. Depending on the species the thickness of the blubber can range anywhere from 2 inches to over a 1 ft thick!
