ANATOMY

Detailed explanation-1: -Secondary sexual characteristics mediated by testosterone include deepening of the voice and growth of facial, armpit, chest and pubic hair.

Detailed explanation-2: -Androgens are the group of sex hormones that give men their ‘male’ characteristics (collectively called virilisation). The major sex hormone in men is testosterone, which is produced mainly in the testes.

Detailed explanation-3: -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.

Detailed explanation-4: -Estradiol is responsible for the development of secondary sexual characteristics, that is, growth and development of the breasts and reproductive organs, fat redistribution (hips, breasts), and bone maturation.