歌唱是用声音表现人类感情的艺术手段,这种感情表现的是内在和外在刺激的反映。在这种活动中,身体的全部有关机能都是参与的:面部表情、姿势、态度、声调,结合着心脏的跳动、呼吸、个别性的内在反映状态等。这些反映的出现是反射性的,从感觉器官—眼与耳—的刺激,经过神经系统到达喉头的肌肉来控制声调,到达呼吸作用的中心,到达控制心脏 Singing is an artistic means of expressing human emotions in sound, a reflection of both internal and external stimuli. In this kind of activity, all the relevant functions of the body are involved: facial expression, posture, attitude, tone, combination of heart beating, breathing, internal reflection of individuality and so on. The appearance of these reflections is reflective, from the sensory organ-eye and ear-stimuli, through the nervous system to the larynx muscles to control the tone, to the center of respiration, to the control heart