Purring appears to be produced by the laryngeal muscles rapidly opening and closing the glottis. Unlike other vocalizations, purring is produced during the entire respiratory cycle and is not limited to expiration of the breath.
Why and how do cats purr? Answer: No one knows for sure why a domestic cat
purrs, but many people interpret the sound as one of contentment.
Humans seem to be fascinated by animals who can do things that we cannot. For
example, HowStuffWorks has answers to questions about camel humps, Hawk ...
Aug 23, 2012 ... Biologists used to think that purrs were the sound of blood surging through cats'
inferior vena cava, the large vein that carries blood from the ...
How do cats purr, you may wonder as you snuggle with your cat on the couch,
when you notice her expressing her content with being by your side. Purring is ...
Jul 16, 2015 ... Have you ever wondered why cats purr? It's easy to assume that cats purr
because they're content, but research shows that purring is a means ...
Nov 19, 2012 ... Scientists are still puzzled over the exact mechanism of how cats purr.
Dec 3, 2009 ... How Do Cats Purr? The physiological origin of the purr is also open to debate. It
is not being generated exclusively by the vocal chords like a ...
Nov 8, 2013 ... How Do Cats Purr? Experts are still trying to determine how exactly it is that cats
purr, but most agree that it originates in the brain. They think ...
But it's a fair question, and one that's always fascinated me, too. I didn't really
know, though, and he wasn't happy with that, so I promised to find out. The