What is a reflex action?
What is a reflex action?
A reflex action is a rapid, automatic and protective response to a stimulus. It happens without conscious thought, so the response begins before you have decided what to do.
Step-by-step lessons on OCR GCSE Biology 3.1.3 The reflex arc. Each one builds up to exam-style questions. Start with the foundational topics and build up to the higher-tier material.