The unit builds on unit 7A 'Cells', unit 7B 'Reproduction', unit 8A 'Food and digestion', unit 8B 'Respiration', unit 8C 'Microbes and disease' and unit 9A 'Inheritance and selection'.
Careful planning of the work in this unit alongside the school's drugs policy and the PSHE programme will be required, particularly when pupils are introduced to the effects of smoking, alcohol and drugs, etc.
This unit provides opportunities to revisit and revise work on nutrition and human respiration and the function of the circulatory system. With some pupils, teachers may wish to concentrate on some of the new topics, extending activities, and with others to spend more time on revision of previous work.
This unit relates to unit 20 'Twentieth-century medicine' in the history scheme of work and to unit 9A(i) 'Selecting materials (food)' on special diets in the design and technology scheme of work.
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