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GCSE Biology · key term
A chemical messenger made by the adrenal glands that prepares the body for fight or flight.
Used by Edexcel
Specification 7.2 · Paper 2
Revise: AdrenalinThe adrenal glands produce and release the hormone adrenalin. Like other hormones, adrenalin is carried in the bloodstream to organs and tissues on which it acts. Its effects prepare the body for rapid, vigorous muscular activity.
For a question asking how adrenalin prepares the body for fight or flight, link each change to its benefit rather than merely listing effects.
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