An elephant has about 394 muscles that set its body in motion. The trunk by itself has many muscles. It consists of about 40,000 individual muscles alone. All of an elephant's muscles, organs, and bones are held together by a thick and strong skin. How many bones an elephant may have does vary because of the different species. Elephant species have different numbers of thoracic, lumbar, sacral, and caudal vertebrae. Generally, an average elephant will have between 326 to 351 bones.