(a)[6]
Complete Table 1.1. One row has already been completed for you.
(b)[2]
The gas exchange system includes cartilage. Describe the function of cartilage in the gas exchange system.
(c(i))[1]
Name the process inside cells that produces carbon dioxide.
(c(ii))[1]
State the effect on breathing of an increase in carbon dioxide concentration in the blood.
(c(iii))[3]
Explain how this effect on breathing is coordinated.