Cat senses roof of their mouths called the vomeronasal (or Jacobson's) organ. When a cat wrinkles its muzzle, lowers its chin, and lets its tongue hang a bit, it is opening the passage to the vomeronasal. This is called "gaping", "sneering", "snake mouth", or "flehming". Gaping is the equivalent of the Flehmen response in other animals, such as dogs, horses and big cats. A cat has about twenty-four movable vibrissae ("whiskers"), in four sets on each upper lip on either side of its nose (some cats may have more). There are also a few on each cheek, tufts over the eyes, bristles
The Cat Who Had 60 Whiskers final book. Sally Estes, of "Booklist" reviewed the book saying, "A welcome chance to revisit Moose County for regulars, but don't expect passer-by to stick around. Dave Roy, of Curled Up, reviewed the book saying, "Give The Cat Who Had 60 Whiskers a miss, because it's something the cat hacked up." Marge Fletcher, of Book Reporter reviewed the book saying, "Throughout the book, on the lefthand side of certain new paragraphs, there are drawings of a cat paw. These serve to remind the audience that Koko and Yum Yum are the real stars of the series, as they provide an