Adrenaline 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 a home central heating system. ‘The flight or fight’ response triggered by the release of adrenaline is also discussed.

Key Words

thyroxine, thyroid, negative feedback, thyroid stimulating hormone/TSH, adrenaline