Biology (Separate Science) · GCSE · Edexcel · Edexcel Level 1/Level 2 GCSE (9–1) in Biology (1BI0) (Higher) · Specification point · 7.5 · Animal coordination, control and homeostasis
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7.5 Explain the interactions of oestrogen, progesterone, FSH and LH in the control of the menstrual cycle, including the repair and maintenance of the uterus wall, ovulation and menstruation | 4a, 4c |