State the roles of blood clotting as preventing blood loss and the entry of pathogens
1 Answer State the functions of the following components of blood: (a) red blood cells in transporting oxygen, including the role of haemoglobin (b) white blood cells in phagocytosis and antibody production (c) platelets in clotting (details are not required) (d) plasma in the transport of blood cells, ions, nutrients, urea, hormones and carbon dioxide
1 Answer Identify red and white blood cells in photomicrographs and diagrams
1 Answer List the components of blood as: red blood cells, white blood cells, platelets and plasma
1 Answer Identify, in diagrams and images, the main blood vessels to and from the liver as: hepatic artery, hepatic veins and hepatic portal vein
1 Answer Explain how the structure of capillaries is related to their functions
1 Answer Explain how the structure of arteries and veins is related to the pressure of the blood that they transport
1 Answer 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
1 Answer State the functions of capillaries
1 Answer 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
1 Answer
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