Peb lub tshuab ntim hauv ncoo tau siv dav hauv cov khoom noj, tshuaj txhua hnub, thiab kev lag luam tshuaj, ua tiav, sib khi, thiab txiav cov yeeb yaj kiab hloov pauv mus rau hauv ncoo- cov khoom zoo li cov khoom noj txom ncauj, cov khoom siv hauv tsev, thiab cov tshuaj, kom muaj kev sib khi zoo thiab kev ntim khoom zoo.
