GCSE Biology Specification

OCR B J257

Section B2.1: What are the causes of disease?

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#B2.1.1

describe the relationship between health and disease

#B2.1.2

describe different types of diseases (including communicable and non-communicable diseases)

#B2.1.3

explain how communicable diseases (caused by viruses, bacteria, protists and fungi) are spread in animals and plants

#B2.1.4

describe common human infections including influenza (viral), Salmonella (bacterial), Athlete’s foot (fungal) and malaria (protist) and sexually transmitted infections in humans including HIV/AIDS (viral)

#B2.1.5

describe plant diseases including tobacco mosaic virus (viral), ash dieback (fungal) and crown gall disease (bacterial)