Key term for OCR GCSE Biology B, used in The Nervous System.
A change in the environment (internal or external) detected by the body, such as light, sound, or temperature.
Stimulus appears in OCR GCSE Biology B revision content for Human Physiology, especially The Nervous System and Nervous System Components.
Human Physiology
The Nervous System • Nervous System Components
Human Physiology
Disorders of Control Systems • The Eye
Human Physiology
Hormonal Control • Hormonal Coordination
Respiration and Growth
Plant Control Systems • Plant Hormones
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