在日常生活中,头晕是常常会碰到的事。如转圈、翻跟斗和下蹲过久突然站起,都会头晕。另外呼吸困难或喘不过来气时也会头晕。不过,它们引起头晕的原因是不同的。前者主要是由于耳内管理平衡感觉的器官受到强烈的刺激,内脏功能反射性地产生紊乱;后者主要是由于氧气对脑神经细胞的供应不足所致。大脑的神经细胞是一时一刻也不能离开氧气的。氧气供给不足,就会发生头晕现象。 Dizziness is a common occurrence in everyday life. Such as rotation, turning the bucket and squatting for too long suddenly stood up, will be dizzy. In addition, breathing difficulties or breathing can also be dizzy. However, the reason they cause dizziness is different. The former is mainly due to the strong sense of the management of the internal organs of the organ is strongly stimulated, visceral reflex disorders; the latter is mainly due to oxygen supply to the brain caused by nerve cell deficiencies. The brain’s nerve cells can not leave oxygen for a while. Oxygen supply is insufficient, there will be dizziness.