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

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.

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.

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

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

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.

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

Task; Create SIX exam questions…