Table 2.1 lists some of the structures found in different regions of the gas exchange system. Complete Table 2.1 by showing a tick ($\checkmark$) where a structure is present in a part of the gas exchange system, or a cross ($\times$) where it is absent.
An exercise physiologist studied breathing in an athlete. Minute volume means the volume of air breathed in over one minute. The results are given in Table 2.2. Explain how the physiologist would find the athlete’s vital capacity.
Calculate the athlete’s tidal volume.
Fig. 2.1 shows a cross section of a coronary artery that is partly blocked by plaque due to atherosclerosis. Explain why atherosclerosis in coronary arteries may reduce how well people can do vigorous exercise.
Describe the effects of nicotine and carbon monoxide in cigarette smoke on the cardiovascular system. nicotine carbon monoxide