~May use the following Learning Outcomes as your check list :
A student is able to:
• state another function of the circulatory system besides transport,
• identify the three lines of defence mechanism of the body,
• describe the process of phagocytosis,
• state the meaning of antigen and antibody,
• state the meaning of immunity and immunization,
• relate antigen and antibody to immunity,
• name and give examples of various types of immunity,
• state the effects of human immunodeficiency virus (HIV) on the body’s defence mechanism,
• describe the transmission of HIV,
• suggest ways to prevent the spread of acquired immune deficiency syndrome (AIDS)
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