The biologicaldefense function appears together with life origin, and will always exist in all life activities.
生物的防卫功能伴随生命的起源而出现，并贯穿于生物全部生命活动之中。
2
Biologicaldefense function is one of the basic life properties and the defense functions exist throughout the body at any time.
生物的防卫功能是生命的基本属性之一。
3
In the part of psychological basis we would introduce motive and frustration, defense mechanism, the cognitive process, emotional process and the biological basis of the mind.