docx, KB pdf, KB GCSE 91 BIOLOGY AND COMBINED SCIENCE This is a revision worksheet to recap Reflex action You can use this as you teach the lesson Exam questions are included with markscheme for assessment Print double sided UPDATED JULY 19– Yes the reflex arc is commonly examined in the GCSE biology papers, especially for OCR, Edexcel and AQA exam boards Can you explain negative feedback?(1) A iris B lens C cornea D retina (ii) The optic nerve transfers electrical signals from the eye to the central
Nervous System Receptors Sensor Motor Relay Neurones Synapses Effectors Reflex Arc Actions Five Sense Organs Ears Eyes Nose Skin Tongue Receptors Cells Sensitive To Stimulus Axon Dendrites Dendrons Igcse O Level Gcse 9 1 Biology