Youth is a Chinese word which means spring. In spring, the vegetation is lush and the color is green, so it is called; Second, youth, youth; Three fingers age, age; Four refers to good times and precious years; Finger wine name; Six refers to the young age; Seven refers to a stage from psychological immaturity to maturity. ?
brief introduction
Generally speaking, girls' puberty is earlier than boys', starting from 10- 12 years old, and boys' puberty starts from 12- 14 years old. However, due to individual differences, the period from 10 to 20 years old is generally called adolescence.
Adolescence is a critical period for the rapid growth and development of human body, and it is also the second peak of life growth and development after infancy. During this period, both boys and girls have undergone many great and wonderful changes inside and outside their bodies. Therefore, it is undoubtedly a very important thing for children to master and understand the physical changes during this period.