Tabby cat
The motor organs of cats are mainly composed of bones and muscles, and the whole body is composed of 230 ~ 247 bones. It is divided into three parts: skull, trunk bone and limb bone.
The skull consists of skull and facial bones. Pairs of nuchal bone, frontal bone, frontal bone and occipital bone, sphenoid bone and ethmoid bone surround the cranial cavity; The maxilla, palatine bone, nasal bone and zygomatic bone form the oral cavity and nasal cavity.
Trunk bones include vertebrae (7 cervical vertebrae, 7 thoracic vertebrae 13, 7 lumbar vertebrae, 3 sacral vertebrae and 2 coccygeal vertebrae1~ 23), ribs 13 pairs (9 true ribs and 4 false ribs) and sternum.
The bones of limbs include forelimb bones (shoulder swelling bone, clavicle, fat bone, scratched bone, ulna, wrist bone 7, metacarpal bone 5 and phalanx) and posterior glue bones (bones and muscles, femur, cavity bone, ribs, kneecap bone, wealth bone 7, existing bone 5 and phalanx 4).
In addition, the male cat has a penis bone.
Cats have more than 500 muscles, which are similar to those of human beings, but they are very contractile, especially the muscles of hind legs and neck. Because cats have a good skeletal system and strong muscles. So it moves quickly, easily, "jumps over the hurdle", runs and jumps freely, and is flexible and agile.