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from digested food in the presence of oxygen; carbon dioxide and water are released as by-products 12.7 Our circulatory systemComposition of blood Circulatory system of man Pumping action of our heart Structure of our heart Pulse Blood pressureComposition of blood, including red blood cells, white blood cells, platelets and plasma General plan of circulatory system of man Arteries, veins and capillaries and their functions The heart acts as a pump to pump blood to all parts of our body The structure of our heart as a four-chambered organ and the direction of the flow of blood in these chambers S. Using the video imaging device, examine a slide of blood smear (OB) S. Library search on the functions of red blood cells, white blood cells, platelets and the plasma (CM) S. Watch video on the simulation of the flow of blood in man S. Observe the transverse sections of an artery and a vein under the microscope (OB) S. Observe the blood flow in the capillaries of a fish’s tail fin or a frog’s web under the microscope (OB) S. Dissect a pig’s heart (EA)
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