You can revise energy stores by clicking the links below. To brush up on your GCSE hormones and the human endocrine system knowledge, click on the link to your awarding body specific revision: ...

Endocrine systems and metabolic diseases affect the endocrine system and disrupt metabolism. Examples include diabetes and goiter. Metabolic dysfunction-associated steatotic liver disease (MASLD ...

The following diagram illustrates the menstrual cycle. It also shows the changing levels of the two hormones involved in the process. The menstrual cycle usually lasts approximately 28 days. The ...