Wednesday, March 24, 2010

Why Do Cats Purr?

Why Do Cats Purr?

1 comment:

Why do cats purr said...

A cat’s purr can range from around 25 to 150 Hertz and according to science, sound frequency within this range can actually stimulate the growth of the bones as well as healing.

http://www.knowswhy.com/why-do-cats-purr/