Adrenalin and Thyroxine



This video is for Higher Tier only and describes the role of thyroxine in a negative feedback mechanism that regulates your metabolism and compares it to home central heating system. ‘The flight or fight’ response triggered by the release of adrenalin is also discussed.

Key Words

thyroid, negative feedback, thyroid stimulating hormone/TSH, thyrotropin releasing hormone/TRH, metabolism, adrenalin, thyroxine