Growing up: puberty Flashcards
Male and female (18 cards)
Puberty
The process that turns a child into a sexually mature adult
How long does puberty last for boys?
12 to 18
What is the sex hormone in boys?
Testosterone
Function of testosterone in boys (puberty)
Helps create mature male sex organs producing sperms
What do male hormones also produce in boys (puberty)?
Secondary sexual characteristics
Secondary sexual characteristics of boys:
A tall, muscular physique, chest hair, and a deepened voice
Reproductive organs: before puberty (boys)
A small scrotum and penis and no body hair
What does later puberty produce in boys? (15-18)
Enlarges penis and prostate gland, produces facial and body hair, deepens voice, adds height and weight, and broadens shoulders
What does early puberty produce in boys?
Growth in testes, penis, pubic hair and height
How long can female puberty occur?
From 11 to 17
What is the sex hormone in girls?
Oestrogen
Function of oestrogen in girls (puberty)
Helps create mature female sex organs and eggs
What do female hormones also produce?
Secondary sexual characteristics
Secondary sexual characteristics of girls?
Breasts, broad hips, and rounded body contours
Girls physique before puberty:
Underdeveloped breasts, a boyish shape, and no body hair
What does early puberty produce in girls?
Thickens vaginal walls, produces pubic hair and menstruation; develops breasts, broadens the pelvis; adds fat to hips and increases height
What does later puberty produce in girls (14-17)?
Genitals mature, pubic hair thickens, rounding of body shape, and an end to growth in height.
What extends in the early 20’s for girls?
Breast development and weight gain
