B7 Non-Communicable diseases 0.0 / 5 ? BiologyB7GCSEAQA Created by: emewsCreated on: 10-12-17 15:29 What is health? Health is the state of physical and mental well being 1 of 9 What type of diseases can poor health be caused by? Communicable diseases (can be transferred between organisms) and non-communicable diseases (can't be transferred between organisms) 2 of 9 What do risk factors increase? Risk factors increase the likelihood of developing the disease. 3 of 9 Give an example of a risk factor Diet or smoking which can cause carcinogens, which are substances and exposures that can lead to cancer. 4 of 9 What is a casual mechanism? It's how one factor influences another through a biological process and shows a link. 5 of 9 What is cancer caused by? Cancer is caused by genetics, mutations, ionising radiation, and viruses. 6 of 9 How does a tumour form? A tumor forms when mitosis goes out of control and cells grow abnormally with little time to grow in between. 7 of 9 What is radiotherapy? Radiotherapy is when cancer cells are destroyed by targeted radiation doses which stop mitosis. 8 of 9 What is chemotherapy? Chemotherapy stops cancer cell growth or causes them to delf-destruct. 9 of 9
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