(a)[3]
Define chemical digestion.
(b)[5]
Identify the structures shown in Fig. 8.1, then use the letters to fill in Table 8.1.
(c)[2]
State one role of the liver and one role of the small intestine.
(d)[4]
Describe how food protein is digested in the alimentary canal.
(e)[1]
Outline one way diarrhoea may be treated.