The large body of the polar bear helps to keep it warm.
Thick fur provides insulation and black skin absorbs heat.
Under the skin a 4 inch layer of blubber also insulates them. Head Polar bears have a keen sense of smell. They can smell a seal from more than 3 miles away. A powerful jaw with 42 teeth and large sharp canines are good for piercing prey. Paws Large, heavy paws with sharp claws are powerful weapons to kill prey.