(a)[2]
On Fig. 1.1, identify the artery wall and lumen, then label each one.
(b)[2]
Complete the table by circling the correct words so that the differences between arteries and veins are shown.
(c)[1]
State the name of the structures in veins that make blood flow in one direction only.
(d(i))[3]
State the names of the organs shown by letters A, B and C in Fig. 1.2.
(d(ii))[1]
Draw two arrows on Fig. 1.2 to indicate the direction of blood flow in the pulmonary vein and the pulmonary artery.
(e)[1]
State the name of the blood vessels that move substances to and from cells.
(f)[2]
Circle the names of two waste substances that are moved from cells into the blood. amino acids, carbon dioxide, fatty acids, glucose, oxygen, urea.