Nervous System 0.0 / 5 ? BiologyHuman, animal and plant physiologyA2/A-levelWJEC Created by: GCSEgetrevisingCreated on: 04-01-21 12:15 Three functions of the nervous system 1) detect stimuli 2) process information 3) initiate response 1 of 6 Define stimulus A detectable change in the external/ internal environment of an organism that produces a response 2 of 6 What are sensory receptors? - specialised sensory cells - Tranducers - they detect energy in one form and convert it to electrical energy 3 of 6 What do sensory receptors do? They initiate a response in an effector (may be a muscle or gland) 4 of 6 What is the sensory receptor location for visible light? Retina 5 of 6 What is the sensory receptor location for sound? Inner ear 6 of 6
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