A student wrote three statements about a 28-day menstrual cycle.
Statement 1: Menstruation happens at the same time as ovulation, on day 14.
Statement 2: Oestrogen keeps the uterus lining thick after ovulation.
Statement 3: If the egg is fertilised, menstruation still happens on day 28.
Explain why Statement 1 is incorrect.
Write a corrected version of Statement 2.
Explain why Statement 3 is incorrect.
48 exam-style questions on Edexcel GCSE Biology 7.2 Reproductive hormones, covering 7.2.1 Stages of the menstrual cycle, 7.2.2 Hormonal control of the menstrual cycle, 7.2.3 Hormonal contraception, 7.2.4 Evaluating contraception methods, and 7.2.5 Hormones in Assisted Reproductive Technology. Each one has a worked solution and a mark scheme showing where the marks go.