You are viewing a single comment's thread from:

RE: Happy birthday...

in #esteem7 years ago

Researchers are unsure exactly how a cat purrs. Most veterinarians believe that a cat purrs by vibrating vocal folds deep in the throat. To do this, a muscle in the larynx opens and closes the air passage about 25 times per second.

Coin Marketplace

STEEM 0.29
TRX 0.21
JST 0.039
BTC 97628.39
ETH 3725.53
USDT 1.00
SBD 3.98