Puberty
Science: KS3, topic 1.2.6
Puberty
Features that appear during puberty are called secondary sex characteristics. Males and females respond differently when their bodies reach puberty:
Males
- The amount of the hormone testosterone rises.
- The rise in testosterone stimulates sperm production.
- Underarm, facial and pubic hair grow.
- Voice deepens.
Females
- The amount of the hormone oestrogen rises and triggers the menstrual cycle.
- Underarm and pubic hair grow.
- Breasts enlarge.
Test yourself on Puberty
What is the name given to physical features that appear during puberty?
A boy's voice is getting deeper and facial hair is starting to grow. Which hormone is responsible for these changes?
Which of these physical changes happens in females during puberty?