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PUBERTY. Puberty is…. All the changes that your body goes through to make the transition from childhood to adulthood It’s caused by hormonal changes in your body. Hormones. Chemical substances released by the pituitary gland. Who, What, When…. GIRLS
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Puberty is… • All the changes that your body goes through to make the transition from childhood to adulthood • It’s caused by hormonal changes in your body
Hormones • Chemical substances released by the pituitary gland
Who, What, When… • GIRLS • Puberty starts for most girls at age 10 or 11 • The pituitary gland sends hormones that tell the ovaries to • produce estrogen and progesterone • Release eggs each month
Girls • Hormonal changes cause: • Breast development • Hips widening • Body hair • menstruation
Who, What, When… • Boys • Puberty begins for most boys from the ages of 12 to 13 • A hormone called testosterone is released from the testes • Sperm production begins • Pubic, facial and body hair grows • Genitals enlarge • Muscle development • Voice deepens
Why are guys taller than girls? Boys start their puberty growth spurt later than girls but continue to grow for a longer period of time
EMOTIONS! • Hormones don’t just cause physical changes • Feelings toward the opposite sex • Emotional rollercoaster