Mubvunzo ndewokuti: "Muvanhu, urume hunoumbwa nezvinhu zvakasiyana-siyana kunze kwembeu: proteolytic nemamwe maenzayimu pamwe chete nefructose zvinhu zviri muurume zvinobatsira kuti mbeu dzirambe dziripo uye zvinovapa nzira yokufamba nayo kana kuti "kusvetuka"? Musoro wenyaya yacho ndiSperm.
"Mbeu yomurume inoumbwa nei?"