Cov tshuab tua hluav taws, pom tau hais tias qhov kev ntsuas tua tus kheej tau zoo tshaj plaws, yog qhov feem ntau siv, qhov ntau tshaj plaws ntawm kev siv lub tshuab tua hluav taws. Cov tshuab lim dej tsis siv neeg muaj cov twj siv dej tua hluav taws, lub tswb ntsuas lub tswb, cov ntsuas dej ntws tawm (ntsuas qhov cim qhia dej lossis lub siab hloov) thiab lwm yam, thiab cov kav dej thiab chaw tso dej.
