Dr Alex Lathbridge guides you through the most important GCSE Biology facts, with a few jokes thrown in too. In this third episode of our series all about homeostasis and response, Dr Alex Lathbridge ...

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 first ...

The endocrine system is the name for the glands that produce hormones in a person’s body. These glands include the thyroid gland, pituitary gland, and adrenal gland. The endocrine system produces ...

The endocrine system uses chemical messengers called hormones to regulate a range of bodily functions through the release of hormones. The endocrine system is a network of glands and organs located ...

The endocrine system is the body’s network for hormone production and distribution. It’s critical for keeping bodies healthy and for day-to-day functioning. “The endocrine system helps regulate ...