Reaching the Age of Adolescence - Chapter Wise CBSE Solved Question and Answer Based On NCERT
Points To Remember:
Human beings become capable of reproduction after the puberty sets in. The period of life when the body undergoes changes, leading to reproductive maturity, is called adolescence
Between the age of 11 years and 19 years children are called adolescents.
The human body undergo several changes during adolescence; these changes mark the onset of puberty
The onset of puberty brings about growth of reproductive organs, hair grows at various body parts, breast develops in girls and moustache and beard in boys.
Children gain height during the period of adolescence
The changes which occur during adolescence are controlled by hormones which are secreted by endocrine glands
The first menstrual flow in women begins at puberty and is termed as menarche, it stops at the age of 45 to 50 and stopping of menstruation is called menopause
Testosterone is the male hormone and estrogen is the female hormone
Sex of the unborn child depends on whether the zygote has XX or XY chromosomes
It is important to eat balanced food and maintain personal hygiene during adolescence