Why do cats purr?
Posted by Ally Cohen on

If you think that your cat's purring means he loves you, you're mostly right. "It is a sign of contentment," according to Anita, "but sometimes it's a form of self-comfort when they feel pain."
Purring occurs by the rapid movement of the cat's voice box muscles along with movement of their diaphragm, as their muscles are moving around 20-30 times per second at around 25-150HZ. It can actually be a form of physical therapy, as it assists in mending bones and general physical healing. Cats also purr as a form of bonding with their mother or kittens - so, really, the sentiment behind the noise depends on the situation.
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