(a(i))[1]
Put the letter X on Fig. 1.1 to indicate the lumen of the bronchus.
(a(ii))[1]
State the name of the structure labelled A in Fig. 1.1.
(a(iii))[1]
State one feature of the cells, visible in Fig. 1.1, that shows they are not epithelial cells from the alveolus.
(b(i))[1]
State the type of cell division that is used to replace damaged epithelial cells.
(b(ii))[3]
The cells shown in Fig. 1.1 come from a non-smoker. Smoking damages the epithelial cells of the lungs. Describe the appearance of the bronchial lining in a long-term smoker.