(a)[1]
Complete the statement about the mammalian nervous system. The [BLANK] nervous system is made up of the brain and spinal cord, whereas the [BLANK] nervous system is made up of the nerves outside the brain and spinal cord.
(b(i))[2]
Arrange the parts shown in Fig. 4.1 in the correct order, then enter the letters in the boxes. Two have already been completed for you.
(b(ii))[2]
State two stimuli sensed by the skin. 1 2
(b(iii))[1]
State the name of an effector involved in the pupil reflex.
(c)[5]
Describe and explain how impulses are passed only in one direction from one neurone to the next.