(a(i))[3]
State the names of the structures marked L, M and O in Fig. 1.1.
(a(ii))[3]
Identify a letter on Fig. 1.1 that represents a blood vessel with: the highest concentration of carbon dioxide; the highest concentration of oxygen; the highest pressure.
(b(i))[5]
Describe how the heart moves blood from blood vessel K to blood vessel J.
(b(ii))[2]
Explain why the wall of the left ventricle is thicker than the wall of the right ventricle.