Combined Science GCSE
Adrenaline
What Adrenaline means in Combined Science GCSE, as defined for AQA.
Definitions of Adrenaline
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Reference: AQA
A hormone produced by the adrenal glands in times of fear or stress, which increases the heart rate and boosts the delivery of oxygen and glucose to the brain and muscles.
Secreted by the adrenal glands during fear or stress, it increases heart rate and boosts oxygen and glucose delivery to the brain and muscles.
Topics that use Adrenaline
- Feedback systems (HT only) (AQA GCSE)
Related terms
- 'Flight or fight'
- Hormonal signalling and control
- Hypothalamus, pituitary and thyroid axis
- Negative feedback
- Thyroxine
- Adrenal glands
- Basal metabolic rate
- Stability of internal conditions
Using Adrenaline in the exam
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