Here are some sentences.This fiber insulates the roof.The quilt insulates you from the cold.
Like most marine animals, Narwhals possess a remarkably large layer of blubber wshich insulates them against the cold. They have a very thick layer of blubber.
It insulates the fish from the cold air above.
The sheep's wool insulates against heat as well as against cold. If you shear sheep and put them out into hot direct sun they suffer sunstroke.
It insulates.
The layer of fat under their skin insulates them against the cold - just as it does in polar bears.
They've got literally tons of blubber that insulates them from the cold.
No, they dont have fur
A thick layer of blubber (fat) which insulates them from the cold.
The skin includes sensory receptors, protects other tissues, and insulates the body against temperature changes.
It is called blubber.
Snow insulates the ground. It keeps the ground below it frozen which keeps the air around it cold.