(a)[4]
Fill in Table 3.1 with the letter from Fig. 3.1 that identifies the part carrying out the function given.
(b(i))[1]
State which type of pathogen causes cholera.
(b(ii))[1]
One symptom of cholera is diarrhoea. Describe what the term diarrhoea means.
(b(iii))[2]
Outline how diarrhoea is treated.
(c)[2]
State two ways the body can protect itself against pathogens.