解決時期為這個難題相片A cat has about twenty-four movable whiskers, twelve on each side of its nose. Whiskers are more than twice as thick as ordinary hairs, and their roots are set three times deeper than hairs in a cat's tissue. Richly supplied with nerve endings, whiskers give cats extraordinarily detailed information about air movements, air pressure and anything they touch. Share this Jigsaw Puzzle | ||