Question 2
F61%The figure shows the pathway of a reflex action in a person who has touched a sharp pin.
Figure: The pathway of a reflex action from the skin of a finger to a muscle in the arm
a.[3]
Name the neurones labelled A, B and C in the figure.
b.[1]
Name the junction labelled X.
c.[1]
Give one reason why a reflex action is faster than a voluntary response.
5.2 The human nervous system Questions
40 exam-style questions on AQA GCSE Biology 5.2 The human nervous system, covering 5.2.1 Structure and function, 5.2.2 The brain, 5.2.3 The eye, and 5.2.4 Control of body temperature. Each one has a worked solution and a mark scheme showing where the marks go.