Health and Disease: Process of Phagocytosis and Defences in the Body
Health and Disease Access to pharmacy Q3 (3.2) Explain the process of phagocytosis using a series of labelled drawings. Justify phagocytosis as a defence mechanism? Pathogenic organisms such as bacteria and viruses need to enter the body of their host before they can cause harm. Evolution by natural selection has selected hosts adapted to defend themselves against such invasions. The body possesses many mechanisms […]