Puberty (Grade 12 NSC Matric Life Sciences): Flashcards
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Typical age range for puberty
Typical age range for puberty
11 to 15 years
Driver of all pubertal changes
Driver of all pubertal changes
Sex hormones
Primary male hormone in puberty
Primary male hormone in puberty
Testosterone
Two key female hormones in puberty
Two key female hormones in puberty
Oestrogen and progesterone
Secondary sexual characteristics
Secondary sexual characteristics
Physical changes during puberty (not reproductive organs)
Cause of male voice deepening
Cause of male voice deepening
Enlarged larynx
Male shoulder change in puberty
Male shoulder change in puberty
Become broader
Female hip change in puberty
Female hip change in puberty
Become wider
Female breast change in puberty
Female breast change in puberty
Breast tissue develops and grows
Common change for both sexes
Common change for both sexes
Growth spurts (height and weight)