Mammals, Carnivora, cats. English name cat；; Gerry malkin; Cats; Puss cat; Kitten. The cat's body is divided into five parts: head, neck, trunk, limbs and tail, and the whole body is covered with hair. Cats have fat pads under their toes, so they walk quietly. When catching mice, it won't scare them away, and there are sharp claws at the toes. Paws can be retracted and extended. Cats retract their claws when resting and walking, and extend their claws when catching mice to avoid making noise and grinding their claws when walking. A cat has four fingers in its forelimbs and five fingers in its hind limbs. Cats' teeth are divided into incisors, canines and molars. Dog teeth are particularly developed, with sharp cones, which are suitable for killing caught mice. The chewing surface of molar teeth has sharp protrusions, which are suitable for chewing meat. Underdeveloped front teeth. Cats are fast and good at jumping.