 Nyoka inonzwa nenhengo ipi?Nyoka hadzina nzeve dzekunze sedzemunhu kana dzimwe mhuka dzakawanda. Pane kudaro, vanovimba nenhengo yakasarudzika inodaidzwa kuti Jacobsons organ kana vomeronasal organ kuti vaone zvimwe zvinonhuhwirira nemakemikari munzvimbo. Nhengo iyi, iri padenga remuromo wenyoka, inoita basa rinokosha pakunzwa kunhuwidza uye kuona kwayakaipoteredza.Kana nyoka ikashandisa nhengo yayo yeJacobson kunhuwa, inokwenya rurimi rwayo kuti itore hwema kubva mumhepo kana pamusoro. Mhungu inobva yapinza rurimi rwayo mukaburi kadiki padenga remukanwa mayo, zvichiita kuti nhengo yaJacobson iongorore hwema hwaunganidzwa. Iyi nhengo yekunzwa yakasiyana-siyana inoita kuti nyoka dzikwanise kuona mhuka, zvikara, uye vangangoroorana navo, zvichiita kuti dzirarame munzvimbo dzakasiyana-siyana. 