人的脑子虽小,却是人体最重要的器官。它是高级中枢神经系统的核心,是心理精神活动的物质基础。它具有思维、情感、条件反射、语言机能、第二信号系统等特殊功能,总之,大脑支配着人的一切活动,所以人们都注意寻求健脑的方法。大脑所消耗的能量几乎占全身总耗能量的20%。所 Although the human brain is small, it is the most important organ of the human body. It is the core of the advanced central nervous system and the material basis of mental and spiritual activity. It has such special functions as thinking, emotion, conditioned reflex, linguistic function, second signaling system, etc. In short, the brain dominates all human activities, so people pay attention to seeking brain-building methods. The brain consumes almost 20% of the total energy consumed by the body. The