(a(i))[3]
Describe how a neurone’s structure is linked to its function.
(a(ii))[1]
State the names of the organs that form the central nervous system.
(b(i))[3]
Outline the route in a reflex arc when bright light is shone into the eye.
(b(ii))[1]
Suggest why reflexes happen in people who are unconscious.
(c(i))[3]
State the names of the labelled features in Fig. 4.1: E, F and G.
(c(ii))[1]
Draw an arrow on Fig. 4.1 to indicate the direction of signal movement across the synapse.