Onye na-emepụta efere na-ekpochi trauma ziri ezi ga-egosipụtarịrị njikwa nke sistemu ihe eji eme efere-screw: nkọwa ngwaahịa, ihe etinyere, oghere mkpọchi, igwe, imecha, ịdị ọcha, nkwenye, ikike ahịa, ịtọlite na nkwado ndụ okirikiri. Ntuziaka a na-atụgharị ihe ndị a chọrọ ka ọ bụrụ akara akara nkesa bara uru.