AP PSYCHOLOGY

Detailed explanation-1: -Puberty is associated with emotional and hormonal changes, as well as physical changes such as breast development in females (thelarche), pubic hair development (pubarche), genital changes in males, voice changes, an increase in height, and the onset of menstruation (menarche).

Detailed explanation-2: -Primary sex characteristics refer to changes to the sexual organs themselves (uterus, vagina, penis, and testes). Secondary sex characteristics refer to other visible changes that mark adult maturation such as changes in height and body shape.

Detailed explanation-3: -Puberty that happens late is called delayed puberty. This means a child’s physical signs of sexual maturity don’t appear by age 12 to 13 in girls or age 13 to 14 in boys. This includes breast or testicular growth, pubic hair, and voice changes. These are known as secondary sexual characteristics.

Detailed explanation-4: -Primary sexual characteristics are those characteristics which are inborn while secondary sexual characteristics are those which emerge at puberty. Penis in men and vagina in women are primary characteristics in human. Hair growth in the pubic region and height change are examples of secondary sexual characteristics.

Detailed explanation-5: -For males, secondary characteristics include facial and chest hair, increased body hair, pelvic build (lack of rounded hips), upper body muscular build, and the ability to generate muscle mass at a faster rate than the female.