Reaching the age of adolescence class 8 | worksheet

Reaching the age of adolescence class 8 | worksheet
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Reaching the age of adolescence class 8 | worksheet

Reaching the age of adolescence class 8 worksheets

 Download Reaching the age of adolescence class 8 pdf worksheet based on the latest CBSE syllabus including long questions, define short questions, and Reaching the age of adolescence class 8 mcq .

Growing up is a natural process. The period of life, when the body undergoes changes, leading to reproductive maturity, is called adolescence Adolescence begins around the age of 11 and lasts upto 18 or 19 years of age. adolescents are also called ‘teenagers’. In girls, adolescence may begin a year or two earlier than in boys. Also, the period of earlier than in boys. Also, the period of adolescence varies from person to person.

The human body undergoes several changes during adolescence. These changes mark the onset of puberty. The most important change which marks puberty is that boys and girls become capable of reproduction. Puberty ends when an adolescent reaches reproductive maturity. The most conspicuous change during puberty is the sudden increase in height. At this time the long bones, that is, the bones of the arms and the legs elongate and make a person tall.

At puberty, the voice box or the larynx begins to grow. Boys develop larger voice boxes. The growing voice box in boys can be seen as a protruding part of the throat called Adam’s apple In girls,

the larynx is hardly visible from the outside because of its small size. Generally, girls have a high pitched voice, whereas boys have a deep voice.During puberty the secretion of sweat glands and sebaceous glands (oil glands) increases. Many young people get acne. boys begin to grow facial hair, that is, moustaches and beard. As these features help to distinguish the male from the female they are called secondary sexual characters.

The changes which occur at adolescence are controlled by hormones. Hormones are chemical substances. These are secretions from endocrine glands, or endocrine system. The male hormone or testosterone. in girls, ovaries begin to produce the female hormone or estrogen which makes the breasts develop. Milk secreting glands or mammary glands develop inside the breasts. The production of these hormones is under the control of another hormone secreted from an endocrine gland called pituitary gland.


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