Key term for OCR GCSE Biology B, used in Reproductive Hormones.
An organ that develops during pregnancy and takes over the production of progesterone to prevent the menstrual cycle from restarting.
Placenta appears in OCR GCSE Biology B revision content for Human Physiology, especially Reproductive Hormones and Hormone Interactions.
Create a free account to access OCR GCSE Biology B revision notes, track progress, and practise related key terms.
