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Puberty and sex hormones

Puberty and sex hormones

Puberty is the stage when the reproductive organs become active and secondary sexual characteristics develop under the control of sex hormones. It begins when the pituitary gland secretes more hormones that act on the ovaries or testes.

3.2.3 Hormones in human reproduction Lesson

  1. GCSE
  2. /Biology
  3. /3.2.3 Hormones in human reproduction

Step-by-step lessons on OCR GCSE Biology 3.2.3 Hormones in human reproduction. Each one builds up to exam-style questions. Start with the foundational topics and build up to the higher-tier material.

Lessons