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A cat has more bones than a human; humans have 206, but the cat has 230 (some cites list 245 bones, and state that bones may fuse together as the cat ages).

Some of those extra bones are in their vertebra.

The normal body temperature of a cat is between 100.5 ° and 102.5 °F. A cat is sick if its temperature goes below 100 ° or above 103 °F.

I actually learned this recently when I took my cat to the vet. What a surprising fact! Her body temperature was about 100.5

A cat’s eyesight is both better and worse than humans. It is better because cats can see in much dimmer light and they have a wider peripheral view. It’s worse because they don’t see color as well as humans do. Scientists believe grass appears red to cats.

red grass sounds like something out of a sci-fi thriller

A cat uses its whiskers for measuring distances. The whiskers of a cat are capable of registering very small changes in air pressure.

Now that's something I did not know. I thought they used them to help keep from going bump in the night.