The Association of the British Pharmaceutical Industry
Abpi: Hormones and Their Effects
A complete, student-led lesson on the endocrine system. Students work their way through illustrated and animated tutorials, and answer review questions along the way. There is a self-checking quiz at the end of the lesson.
OpenStax
Open Stax: Anatomy & Physiology: The Thyroid Gland
Students learn about the location and anatomy of the thyroid gland as well as the hormones produced by the gland and how they affect body functions.
Mayo Clinic
Mayo Clinic: Graves' Disease
This site from the MayoClinic.com provides a great overview of the form of hyperthyroidism known as Graves' disease. The sections in the article include signs and symptoms, causes, screening, diagnosis, treatment, and self-care.