(a)[2]
Complete the table so that it shows which parts A to F carry oxygenated blood and which carry deoxygenated blood. Place each letter A to F on either the right-hand or left-hand side of the table.
(b(i))[4]
Complete the table below so it shows which of A to F are involved in the circulation of blood to or from each of the following places: the lungs; the body tissues. Place each letter A to F on either the right-hand or left-hand side of the table.
(b(ii))[1]
Compare the pressure of blood in the circulation to the body tissues with the pressure of blood in the circulation to the lungs.
(b(iii))[3]
Explain how the structure of the heart causes this difference in blood pressure.