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Anonymous users2024-02-12Girls at the age of 10-12 will have menstruation, and their mood will fluctuate greatly. 10 years old and above like to approach boys [no malice,] 15-16 like to sigh, dare not trust others too much. That's pretty much it.
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Anonymous users2024-02-11Hello, the time of development and change of puberty is different for everyone, and it is related to many factors such as their environment and mood. The rest of the building was all about the general population. You just need to understand what will happen, and the exact age is uncertain.
As for those changes, you can check them on the encyclopedia! Thank you!
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Anonymous users2024-02-10You go to the science textbook for the first grade of junior high school, which is very detailed.
But I'm sure there will be a lot of them on the Internet, so you can look for them patiently, and I'm not going to say anything here. It's too time-consuming.
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Anonymous users2024-02-09Answer] :d the reproductive system grows and develops the latest in each system, and it grows slowly from birth to prepuberty, remaining in a naïve state, and its function is in a quiescent period. By puberty, the reproductive system grows and develops rapidly, lasting 6 to 7 years.
Therefore, the most important feature of pubertal growth and development is the rapid development of the reproductive system and the gradual maturity of the reproductive system. Therefore, choose D. Key to the problem:
Grasp the characteristics of pubertal physical growth: secondary sexual characteristics are gradually obvious, the reproductive system develops rapidly and gradually tends to mature.
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Anonymous users2024-02-08Answer A: Developmental characteristics of adolescence
Analysis: This question examines the salient characteristics of the development of the human body during puberty
Adolescence is a period of important changes in growth and development, in which the significant characteristics of human morphological development are sudden increase in height and weight increase, in addition, the function of the nervous system and organs such as the heart and lungs is also significantly enhanced, and adolescence is the first period of physical development and intellectual development in a person's life Secondly, sexual development and sexual maturity are also important characteristics of adolescence It can be seen that a is in line with the topic
Therefore, Comment: Comment on Skill: To be proficient in the developmental characteristics of puberty, the key to doing this question is to understand the salient characteristics of human morphological development during puberty
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Anonymous users2024-02-07I think both A and B are fine.
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Anonymous users2024-02-06Adolescence is a period of important changes in growth and development, in which the significant characteristics of human morphological development are sudden increase in height and weight increase, in addition, the function of the nervous system and heart, lungs and other organs is also significantly enhanced, adolescence is the first period of physical development and intellectual development in a person's life Secondly, sexual development and sexual maturity are also prominent characteristics of puberty
So the answer is: sudden increase in height; Sexual development and sexual maturation.
You are only sixteen years old, you are in the first period of physical development, if you have enough nutrition and moderate exercise, you can have a very toned and slender body. Because you still have at least five or six years to grow and develop, and you are definitely in a much better nutrition and exercise condition than your parents were back then, there is still hope that you can reach a very ideal height. >>>More
Adolescence refers to the transition from a child to an adult. >>>More
Your standard height = (father's height + mother's height) 2+10 (girl's + 5) However, it is normal for your height distance to be greater than less than 10 cm. >>>More
Don't be so sad.
A good attitude is the key to illness. >>>More
Don't worry if it's okay I'm just as bad as you, when I entered high school, I was 163cm and only had 36 kg menarche is related to people's physical development, you don't have to worry too much, if you are very worried, you can talk to your mother, your mother will take you to the doctor, there is no need to be shy about this kind of thing, it is normal.