Questions and Answers

Identify, in diagrams and images, the main blood vessels to and from the liver as: hepatic artery, hepatic veins and hepatic portal vein

Explain how the structure of capillaries is related to their functions

Explain how the structure of arteries and veins is related to the pressure of the blood that they transport

Identify in diagrams and images the main blood vessels to and from the: (a) heart, limited to: vena cava, aorta, pulmonary artery and pulmonary vein (b) lungs, limited to: pulmonary artery and pulmonary vein (c) kidney, limited to: renal artery and renal vein

State the functions of capillaries

Describe the structure of arteries, veins and capillaries, limited to: relative thickness of wall, diameter of the lumen and the presence of valves in veins

Explain the effect of physical activity on the heart rate

Describe the functioning of the heart in terms of the contraction of muscles of the atria and ventricles and the action of the valves

Explain the importance of the septum in separating oxygenated and deoxygenated blood

Explain the relative thickness of: (a) the muscle walls of the left and right ventricles (b) the muscle walls of the atria compared to those of the ventricles