A programmer builds a computer model of a menstrual cycle in which pregnancy does not occur. The model shows repair of the uterus lining, ovulation and maintenance of the uterus lining.
Where in the model should the programmer place the label menstruation?
After maintenance of the uterus lining ends and before the next repair begins.
While maintenance of the uterus lining continues after ovulation has occurred.
Immediately after ovulation occurs and before maintenance of the uterus lining begins.
After repair of the uterus lining begins and before ovulation occurs.
90 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.