Question

Name two things which may develop on the face of adolescent boy s and girls during puberty due to the increased activity of sebaceous glands and sweat glands in the skin.

Answer 1

Acne, pimples, blackheads are some problems encountered after puberty. Good hygiene must be maintained during this period.

Answer 2

Pimples and acne

Explanation:

Secondary sexual characteristics are the physical changes which develop at puberty and help in distinguishing between boys and girls. Testosterone is the male sex hormone responsible for masculine secondary sexual characteristics as well as the promotion of muscle growth. Estrogen is the reproductive hormone in females that assists in development of secondary sexual characteristics of females like breast development, flaring of the hips, etc.

At the time of puberty, the face of adolescent boys and girls are prone to pimples/acne due to the increased activity of sebaceous glands and sweat glands in the skin.