Edexcel IGCSE Biology · Spec 3.13
Puberty
The physical changes that happen at puberty and the secondary sexual characteristics.
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Puberty
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Spec 3.13
What you need to know
- Know that puberty is controlled by sex hormones
- Recall the role of oestrogen in females
- Recall the role of testosterone in males
Active recall
Quick check
Answer each question before opening the answer.
What are secondary sexual characteristics?
Features that develop at puberty (e.g. body hair, breast development, deeper voice), controlled by sex hormones.
Which hormones control puberty in males and females?
Testosterone in males and oestrogen in females.
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