Dab tsi yog qhov sib txawv ntawm cov khoom siv yas?
Cov khoom yas tau nyob ib puag ncig ntev thiab tseem muaj nyob hauv peb lub neej niaj hnub no. Cov piv txwv ntawm cov khoom siv yas xws li cov khoom siv hauv tsev, ntim khoom, cov tais zaub mov thiab cov thawv ntim khoom, lub raj mis, hnab, ntim zaj duab xis, lossis cov khoom ntim khoom tiv thaiv. Cov khoom lag luam yas tau tsim ntau ntau txhua xyoo raws li cov neeg siv khoom xav tau ntau. Ua tsaug rau nws cov kev siv siab thiab ntau yam, cov khoom siv yas muaj nyob rau txhua qhov chaw hauv tib neeg lub neej. Qhov txiaj ntsig loj ntawm qhov sib xyaw no yog kev txuag nqi, yog li nws tuaj yeem coj cov lag luam tau nyiaj ntau txhua xyoo.