it’s on the lips
There are approximately 500 thousand points on the skin – tactile analyzers that perceive the sensations that arise when various mechanical stimuli are applied to the skin surface (touch, pressure). In addition, the skin has unevenly distributed analyzers that perceive pain, heat and cold.
Most receptors are on the lips, followed by fingertips, then palms, feet. .. back
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.