← 2.3 Reproduction in human beings
The menstrual cycle
Integrated Science · Grade 8 · about 40 minutes
The monthly cycle that prepares the uterus, what day 1 means, and why lengths vary.
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- 7 sections of explanation, worked examples and diagrams
- 1 practice task with hints and worked answers
- A quiz that marks itself as you go
- Your progress kept across every subject you take
Other lessons in this sub-strand
- Why living things reproduce
- The male reproductive system
- Functions of the male parts
- The female reproductive system
- Functions of the female parts
- The sperm cell
- The egg cell
- Comparing sperm and egg
- What fertilisation is
- Where fertilisation happens
- Implantation and early growth
- The menstrual cycle
- The four stages of the cycle
- Tracking the cycle
- Menstrual hygiene
- Changes at adolescence
- Personal hygiene during adolescence
- Caring for a pregnancy