This unit draws on ideas developed in the key stage 2 programme of study. It builds on
unit 6B 'Micro-organisms' in the key stage 2 scheme of work and on unit 8B 'Respiration'.
In unit 9B 'Fit and healthy', pupils have further opportunities to consider the transmission and incidence of infectious diseases.
There are opportunities to link with citizenship and PSHE in this unit in dealing with medical advances, the development of drugs and food safety.
This unit lays the foundation for work in key stage 4 on the body's defences against infection and the uses of micro-organisms in biotechnology.
This unit also relates to unit 9E(i) 'Ensuring quality production (food)' in the design and technology scheme of work, and unit 20 'Twentieth-century medicine' and unit 21 'Scientific discoveries' in the history scheme of work.
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