5.3.18

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

1Cell Biology

1.1What's in Cells?

1.2Cell Division

1.3Transport in Cells

2Organisation

2.1Principles of Organisation

2.2Enzymes

2.3Circulatory System

2.4Non-Communicable Diseases

2.5Plant Tissues, Organs & Systems

3Infection & Response

4Bioenergetics

5Homeostasis & Response

5.1Homeostasis

5.2The Human Nervous System

5.3Hormonal Coordination in Humans

5.4Plant Hormones

6Inheritance, Variation & Evolution

7Ecology

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