Question

During puberty the following changes occur in males and females:

Increase in height: The onset of the puberty period usually results in a dramatic, sudden and visible increase in height and weight. This spurt in physical growth is more evident in girls between 11-13 years of age; it is between 13-15 years for boys.

Changes in the size of heart and lungs: There are changes in the size of heart and lungs; these are less apparent but equally important. There is an increase in the size and capacity of lungs too.

Change in body shape: Many changes take place in the shape and size of the body; these changes are different for boys and girls.

Change in voice: Voice becomes deep. Larynx is present in the throat which gives a characteristic pitch of voice to every individual.

Increased activity of sweat and sebaceous glands: The sweat glands of the body develop fully during puberty and there is an increased secretion of sweat. Acne and pimples are common among adolescents due to increased production of sebum from the sebaceous glands.