Spec 1BI0
Revise Edexcel GCSE Biology 7.1.2 Adrenalin and fight or flight with the question bank, lessons, revision guides, and flashcards.
Explain that adrenalin is produced by the adrenal glands to prepare the body for fight or flight, including: a increased heart rate • b increased blood pressure • c increased blood flow to the muscles • d raised blood sugar levels by stimulating the liver to change glycogen into glucose
