Solution:

The following are the changes that occur in girls throughout puberty:

(a) Hair begins to develop in the vaginal area.
(b) Other regions of the body, such as the underarms, face, hands, and legs, see hair growth.
(c) The uterus and ovaries grow in size.
(d) The size of the breasts grows larger, and the nipple skin at the breast’s tip darkens.
(e) The start of the menstrual period.
(f) Pimples appear because the skin’s oil secretion is higher.