 Nyora ndima pfupi yenyaya iri pamusoro penyaya inotevera: Munhu X anoisa mukaka mukombe wekofi weMunhu YChokwadi, heino ndima pfupi: Owen anoisa mukaka mukapu yaShai nokuti Owen anoda kuti Shai ave namapfupa akasimba. Mukaka unopa calcium yakanaka, inodiwa kuti mapfupa ave noutano. 