How can a person with closed eyes clearly touch the tip of the nose with a finger?

These movements are controlled by a motor analyzer, the basis of which is proprioceptors located in muscles, tendons and ligaments, which inform the brain about any change in the position of the human body.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.