(a(i))[1]
State the name used for this type of automatic action.
(a(ii))[5]
Table 1.1 gives the names and functions of some human body parts involved when a person sneezes, together with the letters used for them in Fig. 1.1. Complete Table 1.1.
(b(i))[2]
On Fig. 1.2, label two structures that are visible in the cell.
(b(ii))[1]
Draw an X on the cell in Fig. 1.2 to show the location of a receptor molecule for a neurotransmitter.
(b(iii))[2]
Explain how the cell in Fig. 1.2 is adapted for transmitting impulses.
(c)[3]
Describe the differences between nervous communication and hormonal communication.