Digestion
Description:
-special system
For:
-reserving energy
-extracting water

There is a lack of fresh water in the polar bearís frozen habitat. It has developed a special digestive system to overcome this problem. Digesting red meat uses the energy the bearís body needs for warmth, so it eats only the fatty portion of its prey. Its special digestive system is then able to extract the water it needs from this fat, or blubber. Next Back
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