Munyika yehutano nekugwinya, protein yehupfu yakave chikamu chakakosha chekudya kwevanhu vazhinji. Nekudaro, zvigadzirwa zveprotein poda zvinotapukirwa nemamiriro ezvinhu ezvakatipoteredza senge unyoro, chiedza uye oxygen, zvichikanganisa hunhu hwavo hwepakutanga. Saka, kusarudza r ...
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