答 :凡对身体施加影响而促发应激的事物称为刺激原。刺激原的性质可能是有益的 ,也可能是有害的 ,决定于受刺激的个体、整体状况和刺激原的强度。人在一生中不停地接触各种刺激原 ,引起身体的损耗而出现衰老的特征 ,而死亡来临则是对应激原停止反应的结果。何谓刺激原? A: Anything that exerts an influence on the body and triggers stress is called stimulus. The nature of the stimulus can be beneficial or can be detrimental, depending on the individual being stimulated, the overall condition, and the strength of the stimulus. People throughout the life contact with a variety of stimuli, causing the loss of the body appear the characteristics of aging, and death is the result of the original stop responding to stressors. What is the original stimulus?