1. A1. Physical development Adolescence (9-18 years)
Human Life Span
A1. Physical development
Adolescence (9-18 years)

2. Growth Spurts
In adolescence both girls and boys experience growth spurts and will have lost all baby teeth. Sometimes adult teeth cause issues that are addressed by orthodontic work.

3. Puberty
Primary sexual characteristics are organs and cells that are present at birth but don’t develop until puberty. There are changes in reproductive organs and the pituitary gland induced changes. Secondary sexual characteristics, develop during puberty, outward signs of growing from child to adulthood.

4. Female Primary Sexual Characteristics
The uterus enlarge and the vagina lengthens
The ovaries begin to release
The menstrual cycle begins
Exam question; describe the primary sexual characteristic changes that happens to a female

5. Secondary sexual Characteristics; breasts
Areola – the area around the nipple – enlarges, swells and darkens first, then breasts grow

6. Secondary sexual characteristics; hair
Public and facial hair grows during puberty but the amount and density is varied, a bit like the size of growing mammary glands and organs.

7. Male Primary Sexual Characteristics
Enlargement of penis and testes
Spontaneous erections caused by blood flowing into chambers
Testicles produce sperms, beginning of ejaculation

8. Task; Create SIX exam questions…