Puberty Grade 12 Life Sciences Notes with Activities Questions and Answers Grade 12 students in Life Sciences dive deeper into the fascinating realm of evolution. This term, they encounter a rich tapestry of concepts ranging from natural selection to speciation. With the final examinations looming, it’s crucial for students to have comprehensive revision materials at their disposal. In this page, we’ll explore key topics in the Grade 12 Term 3 Life Sciences curriculum, providing concise yet informative revision notes to aid in understanding and retention.
Notes
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 |
Video Lesson on Puberty
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