Kugona kwevechiri kuyaruka kusvika tambo nehukama hutsva hwepabonde mushroom akakomberedza 11-12 nekuda kwevasikana, 12-13 yevakomana, apo mabhiriyoni emisha matsva (synapses) anogadzira mikana isingaperi. Zvisinei, nekukura uropi hwake hunofanira kutarisa magetsi ake emagetsi kumusiya neine simba rinogadziriswa rezvisarudzo. Nema makumi maviri, angave asina kunyatsove rakanamatira nehunhu hwepabonde hwaanowira panguva yekuyaruka, asi vanogona kunge vakaita kunge rakadzika muuropi hwake - kwete nyore kusava nehanya kana kutangazve. Kuti uwane rumwe ruzivo pane uropi hwehuduku ona:
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Mutsamba iri pasi apa pane zvinyorwa zvinoratidzwa ne (L).
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