What you’ll learn7 learning objectivesChoose one objective for a focused lesson, or study the complete topic.9.4.1Components of blood• List the components of blood as: red blood cells, white blood cells, platelets and plasmaSyllabus objective9.4.2Red and white blood cells• Identify red and white blood cells in photomicrographs and diagramsSyllabus objective9.4.3Functions of the following components• 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 dioxideSyllabus objective9.4.4Roles of blood clotting as preventing• State the roles of blood clotting as preventing blood loss and the entry of pathogensSyllabus objective9.4.5Lymphocytes and phagocytes• Identify lymphocytes and phagocytes in photomicrographs and diagramsSyllabus objective9.4.6Functions of: (a) lymphocytes –• State the functions of: (a) lymphocytes – antibody production (b) phagocytes – engulfing pathogens by phagocytosisSyllabus objective9.4.7Process of clotting as the conversion• Describe the process of clotting as the conversion of fibrinogen to fibrin to form a meshSyllabus objective