What is the peculiarity of facial muscles?

The facial muscles are attached at one end to the bones of the skull, and the other to the skin of the face, therefore, when they contract, various emotions are expressed on a person’s face, we can smile, cry, laugh.

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.