''Yqylyq degen ne?''

Yqylyq dıafragmanyń (keýde men ish qýysty bólip turatyn úlken bulshyqet qabyrǵasy) tyryspaly túrde qysqaryp qalǵanda týyndaıdy. Ondaı tyryspaly túrdegi qysqarýda daýys baılamdary (daýys jarǵaǵy) tuıyqtalady jáne kenetten shyǵyp kele jatqan aýany ustap alady. Mundaı ustap alýdyń áserinen yqylyqqa tán dybys shyǵady.