There are many nerve endings in the skin, which are distributed in epidermis, dermis and subcutaneous tissue, making us feel "pain, touch, cold, heat, pressure and itching". Don't underestimate these feelings. When environmental changes or external stimuli adversely affect the body,
These feelings are like the early warning mechanism of the body, reminding us to take timely measures to prevent all kinds of violations. With the help of the sensory function of skin and other sensory organs, human beings can live a normal life.
Extended data
The role of touch—
1, the sense of touch has a protective function, it protects organs from mechanical damage and radiation damage, and resists dangerous substances from the outside.
2. Through the sense of touch, diseases can be diagnosed.
Touching can also keep our mind stable and our body healthy.
Touch can be used to express comfort and love, and emotions can be distinguished by touch.