(a(i))[1]
Label the two chambers of the heart by placing their names in the boxes provided on Fig. 2.1.
(a(ii))[2]
State two ways in which blood entering the right atrium differs in composition from blood entering the left atrium.
(b)[3]
Match each congenital heart disease listed with the one correct area from A to G on Fig. 2.2. The first one has already been done for you.
(c)[3]
Suggest and explain how the flow of blood in a person with patent ductus arteriosus differs from that of a person with a healthy heart.