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A cat has fixed Jaws

posted by Di-G on

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A cat's jaws cannot move sideways.

The lower jaw is attached to the upper one by means of a simple hinge. This arrangement permits only up-and-down motion. A cat cannot move its lower jaw sideways, nor can it grind its teeth. When a cat clamps its jaws shut, the teeth mesh side by side, somewhat like the meshing of gears. So cats tear and crush their food, but they do not chew it. Much of the food is swallowed whole, and digestive juices break it down for use.


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