Ikiganiro cy’urubyiruko Ejo cy’uyu munsi kiribanda ku kibazo cyo gusebanya no gutoteza bishingiye mu miterere y’umubiri w’umuntu. Rimwe na rimwe mu muco nyarwanda, gusebanya bisa n’aho byemewe cyangwa byihanganirwa, kandi ubundi byagombye kwamaganwa.