Question

During adolescence, the body of boys and girls undergoes certain changes. Given below are a few of those changes.

(a) Broad shoulders

(b) Wider chests

(c) The wider region below the waist

(d) Development of muscles

(e) Development of mammary glands

(f) Growth of facial hair

(g) Acne and pimples on the face

(h) Development of sex organs

(i) High-pitched voice

(j) Growth of pubic hair.

Categorize these changes according to their occurrence in boys and those that occur in girls and fill in the table given below.

Answer 1

Adolescence:

1. Adolescence is the onset of reproductive age.
2. It is also known as teenage.
3. Adolescence begins around the age of 11 and goes on until 18 or 19 years of age.
4. Adolescence begins early in girls than boys.

The changes in boys and girls' bodies are:

Sl. No.	Girls	Boys
1	The wider region below the waist	Broad shoulders
2	Development of mammary glands	Wider chests
3	Acne and pimples on the face	Development of muscles
4	Development of sex organs	Growth of facial hair
5	Growth of pubic hair	Growth of pubic hair
6		High-pitched voice