Combined Science GCSE
Hormones
What Hormones means in Combined Science GCSE, as defined for AQA.
Definitions of Hormones
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Reference: AQA
Chemicals secreted by glands directly into the bloodstream, which the blood carries to a target organ where they produce an effect.
Chemicals secreted by glands directly into the bloodstream, which carries them to target organs where they produce an effect.
Chemical messengers carried in the blood plasma to target organs.
Topics that use Hormones
- Human endocrine system (AQA GCSE)
Related terms
- Endocrine gland
- endocrine system
- Glucagon
- Hormones in the bloodstream
- Insulin
- Location of endocrine glands
- Master gland
- Oestrogen
Using Hormones in the exam
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