(a)[4]
Table 1.1 gives descriptions of some gas exchange system parts. Complete Table 1.1 to: - state the name of the part described - give a letter from Fig. 1.1 to identify each part.
(b)[5]
Tobacco smoke contains several compounds that can influence the body. State the suitable term for each of the statements A to E. A. The type of chemical that causes mutation in genes controlling the cell cycle. B. A component that produces a short-term rise in blood pressure. C. A component that lowers the oxygen-carrying capacity of haemoglobin. D. A component that increases mucus production and release from goblet cells. E. A component that produces a short-term rise in heart rate.