Njengoba sishilo kwezinye izikhathi, umuzwa wokuhogela kungumqondo olunge kakhulu wenja. Ngayo, ungathola izinto nabantu abangcwatshwe ngaphansi kwamamitha wemfucumfucu, ubheke izifo futhi ubone ubukhona babanye abantu ngaphandle kokubabheka. Lo mandla angajwayelekile uzungezwe izifiso okufanele uzithole.
• Impumulo yenja inayo ngaphezu kwama-200 million olofactory receptors, kanti umuntu unezinhlanu kuphela.
• Ikhala lakhe liphakeme Amandla aphindwe ka-10.000 ukwedlula lokho komuntu.
• I isitho somhlanzo ubukhulu obubhekele ukuthi inja ikwazi ukuhumusha ngokusebenzisa i- ukuhogela ama-hormone akhishwa yizinto eziphilayo. Itholakala ethanjeni le-vomer, phakathi kwekhala nomlomo.
• Ikhono lokwengeza lincike kakhulu umjaho. Isibonelo, iLabrador ne-German Shepherd zibona ukutholakala kwezidakamizwa kalula kunezinye izinhlobo.
• Izinja zingadonsa iphunga esikhaleni esifinyelela ku 200 cm², ngenkathi umuntu efika kuphela ebangeni elingu-3 cm².
• Ngenxa yephunga layo nendawo edabuka kuyo, i- I-San Bernardo unekhono elikhethekile lokuthola abantu abalahlekile eqhweni.
• Izinja zinazo imizila emibili ehlukene ngqo ngaphansi kwamakhala abo, ebavumela ukuthi baphefumule futhi banuke ngokwahlukana; ngale ndlela babona ngokuningiliziwe izinhlayiya eziqukethwe umoya, beziqonda ngokuphelele. Benza le nqubo ngokuqhubekayo, njengoba behogela futhi bekhipha umoya cishe kahlanu ngomzuzwana.
• Kungenxa yomuzwa wakho wokuhogela lokho uzizwe ukhathazekile lapho uphumela ngaphandle, ngoba babona inani elikhulu lamaphunga ahlukene kumasekhondi ambalwa. Banamandla kakhulu phambi kwendawo yonke evuleka phambi kwabo.
• Ngomqondo wazo olunge kakhulu, izinja zingakwazi qaphela izifo ezehlukenenjengomdlavuza noma isifo sikashukela. Eqinisweni, ucwaningo lubonisa ukuthi bayakwazi ukuthola ukuhlaselwa kwe-hypoglycemic ngisho nangaphambi kokuba kwenzeke.