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
Chester Rows the residents. In some cases, where the hall was larger, there were several shops on its frontage. Below the Rows, at street level, were crypts or undercrofts. Many of these were stone-lined with ribbed vaults, and they were used for storage or for selling more valuable goods. Behind the hall, on the level of the Rows, was more domestic accommodation. Normally the kitchen was a separate building in the yard behind the house. The back yard was also used for cesspits and for the disposal of rubbish. Although many of the Rows are still continuous, in some areas they have