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Fill in the blanks: Our life is divided into several growth stages: from (infants to young children), (children), (teenagers), (middle age) and (old age).
There are two growth peaks in the middle stage, one is (infancy) and the other is (adolescence).
(Adolescence) is a stage in the whole process of a person's growth and development, that is, the transition period from children to adults, a period of rapid (physical) and (psychological) development and maturity, and also a division of adolescence (critical period) that determines a person's physical fitness, physical fitness, personality and intelligence level throughout his life, generally defined as (10 to 20 years old). /kloc-middle school students aged 0/2 to 13 are in adolescence.
What are the three main aspects of teenagers' physiological development: [( 1) drastic changes in physical appearance, that is, rapid growth in height and obvious weight gain.
(2) The body function is gradually improved, that is, the nervous system constantly improves the brain function with the development of the brain, and the heart develops very rapidly. By the age of 18, the heart weight is equivalent to 90% of that of adults, the vital capacity is obviously increased, the body's resistance to diseases is enhanced, and it is rarely sick.
(3) The difference of sexual characteristics between men and women is more significant, that is, sexual development includes the development and function of gonads, reproductive organs and secondary sexual characteristics. What are the psychological characteristics of adolescence: 1, the independence and critical development of thinking. 2. Emotional development is changeable.
3. The formation and rapid development of self-awareness. 4. The bud of sexual consciousness;