(a)[3]
State the type of blood vessel shown in Fig. 2.1 and give two reasons for your choice.
(b(i))[1]
Use Fig. 2.2 to state the time when the valve between the right ventricle and the pulmonary artery closes.
(b(ii))[1]
Use Fig. 2.2 to state the time at which the ventricle starts to contract.
(b(iii))[4]
State and explain the similarities and differences between Fig. 2.2 and a graph that shows how the blood pressure for the left ventricle changes during the same cardiac cycle.