1.2.6

Puberty

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Puberty

Features that appear during puberty are called secondary sex characteristics. Males and females respond differently when their bodies reach puberty:

Illustrative background for MalesIllustrative background for Males ?? "content

Males

  • The amount of the hormone testosterone rises. This stimulates sperm production.
  • Underarm, facial and pubic hair grow.
  • Voice deepens.
Illustrative background for FemalesIllustrative background for Females ?? "content

Females

  • The amount of the hormone oestrogen rises and triggers the menstrual cycle.
  • Underarm and pubic hair grow.
  • Breasts enlarge.

Jump to other topics

1Biology

1.1Cells, Tissues & Organs

1.2Reproduction & Variation

1.3Ecological Relationships & Classification

1.4Digestion & Nutrition

1.5Plants & Photosynthesis

1.6Biological Systems & Processes

2Chemistry

2.1Particles

2.2Chemical Reactions

2.3Atoms, Elements, Compounds

2.4The Periodic Table

2.5Materials & the Earth

2.6Reactivity

2.7Energetics

2.8Properties of Materials

3Physics

3.1Energy

3.2Forces & Motion

3.3Waves

3.4Electricity & Magnetism

3.5Matter

3.6Space Physics

4Thinking Scientifically

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