How do cats purr?

When a cat "purrs" their body kind of makes a buzzing sound, and lets you know their feeling the enjoyment within their body.A meow may massage the heart, but a purr absolutely soothes the soul. The cat is the only animal that makes a musical humming sound when it is happy. All cat lovers have enjoyed the blissful moment of a purring lap bound feline. The entire animal vibrates with joy. Purring is usually a sign of cat contentment, but you may be surprised to learn that there are other very different occasions when a cat might purr.