Puberty Grade 12 Life Sciences Study Notes. Puberty is the process of physical maturation where an adolescent reaches sexual maturity and becomes capable of reproduction. On average, puberty typically begins between 8 and 13 in females and 9 and 14 in males
On this page you will find Puberty Grade 12 Life Sciences Notes under Human Reproduction, which includes revision activities with questions and answers to help grade 12 learners to prepare for their tests and exams
Puberty Grade 12 Life Sciences Study Note
Puberty is the period in humans in which they experience physical changes in their bodies in order to be capable of sexual reproduction.
Physical changes during puberty male and female
| Puberty in males | Puberty in females |
|---|---|
| Stimulated by testosterone | Stimulated by estrogen |
| Growth of male sex organs | Growth of female sex organs |
| Start of the production of sperm cells | Start of the menstrual cycle and production of ova |
| Growth of pubic hair, facial hair and body hair | Growth of pubic hair |
| Development of muscles and deepening of voice | Growth and development of breasts and widening of hips |
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