Air sacs allow Walrus’ to sleep in water

A walrus has no worries if it falls asleep when it is in the water. It’s air sacs make sure the walrus does not drown. The air sacs that are in their chests keep their heads above water.

When you feel very cold, you might feel like you are turning blue. Walrus’ skins instead, can turn whitish in frigid temperatures. They are usually grey in color.


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