1. Lesson 3 Adolescence

2. Do Now List and describe changes that happen during the stage of puberty.

3. Adolescence Second fastest period of growth after infancy Time between childhood and adulthood Begin between ages 8-14 Girls usually begin before boys however each child is different. Physical, mental/emotional, and social changes take place and they are all interrelated

4. Physical changes during Puberty Male Hormone production increases(testosterone) Facial hair appears Larynx enlarges creates deeper voice Shoulders broaden muscles develop Sperm production begins Female Hormone production increases (estrogen) Breasts develop Hips widen Uterus and ovaries occurs Ovulation occurs Menstruation begins Body fat increases

5. Physical changes for both sexes Growth spurt occurs Acne may appear Most permanent teeth have come in Underarm hair appears Perspiration increases Pubic hair appears External genitals enlarge

6. Emotional and social changes during puberty Become more independent of parents Learn more about who you are Define your values Learn how to think,reason,and solve problems in a adult way Accept your body and its characteristics Gain a masculine or femine view of yourself Form mature relationships with other people Develop an interest in and concern for your community

7. Cw/hw Pg431 #1-4