1. Puberty Males 1. Hypothalamus - Pituitary gland - testosterone
years of age - more typical near 12 when sperm are first produced
Female
Hypothalamus - Pituitary gland - estrogen
11-14 years of age - more typical 11

2. Puberty

3. Secondary Sexual Characteristics

4. Primary Vs Secondary Sexual Characteristics
Primary: growth and maturation of genitalia
Secondary:
Boys
longer heavier bones
larger muscles
Thicker skin
Deeper voice
Increased bodily hair
Increased metabolism
Girls
1. Deposition of fat in breasts, thighs, and buttocks
2. The pelvic girdle broadens
3. Skin softens
4. Increase in bodily hair

7. Genital Development

8. Genital Development

9. What about hermaphrodite?
1. Animal or plant; having both male female reproductive organs
2. A person born with both ovarian and testicular tissues and internal reproductive organs