While walking barefoot on a beach, a person accidentally steps on a sharp piece of glass and immediately lifts their foot.
This rapid, automatic response is a reflex action.
Describe the sequence of events that occurs in the nervous system of the person to produce this response. In your answer, you should refer to the specific pathway of the reflex arc and any junctions between neurones.
39 exam-style questions on OCR GCSE Biology 3.1 Coordination and control – the nervous system, covering 3.1.1 Structure of the nervous system, 3.1.2 Coordinated response, 3.1.3 The reflex arc, 3.1.4 Structure of the eye, 3.1.5 Defects of the eye, 3.1.6 Structure and function of the brain, 3.1.7 Difficulties of investigating brain function, and 3.1.8 Limitations in treating nervous system damage. Each one has a worked solution and a mark scheme showing where the marks go.