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GCSE Exam GCSE Biology
4.2.1 Principles of organisation
4.2.2.1 The human digestive system
4.2.2.2 The heart and blood vessels
4.2.2.3 Blood
4.2.2.4 Coronary heart disease: a non-communicable disease
4.2.2.5 Health issues
4.2.2.6 The effect of lifestyle on some non-communicable diseases
4.2.2.7 Cancer
4.2.3.1 Plant tissues
4.2.3.2 Plant organ system