Biology-B2-Cancer 0.0 / 5 ? BiologyHealthy livingGCSEAQA Created by: tonisha_Created on: 07-11-21 19:34 What is cancer caused by? uncontrolled cell growth and division 1 of 30 How is a tumour formed? due to a change that occurs in a cell which leads to uncontrollable growth and division of cells 2 of 30 What is a tumour? a mass of cells 3 of 30 How many types of tumours are there? two 4 of 30 What are they? benign malignant 5 of 30 Is a benign tumour cancerous? no 6 of 30 This tumour usually grows until? until there is no more room 7 of 30 It is usually within a what? within a membrane 8 of 30 It also stays where? in one place 9 of 30 Can they be dangerous? yes 10 of 30 For example? if a benign tumour formed on a persons brain 11 of 30 Is a Malignant tumour cancerous? yes 12 of 30 This tumour grows and what? spreads to neighbouring healthy tissues 13 of 30 What may the cells do? break off 14 of 30 And spread to where? other parts of the body 15 of 30 by travelling in the? bloodstream 16 of 30 These cells then invade what? healthy tissues elsewhere in the body 17 of 30 And form what? a secondary tumour 18 of 30 Lifestyle Risk Factors ----------------------------- What are four main risk factors? smoking obesity UV exposure Viral infection 19 of 30 When smoking, tobacco contains a substance called what? carcinogens 20 of 30 Smoking normally is linked to what cancer? lung cancer 21 of 30 Obesity is linked to what three cancers? bowel liver kidney 22 of 30 People often exposed to UV radiation from? the Sun 23 of 30 Have an increased chance of developing what cancer? skin cancer 24 of 30 Some viruses may increase the chances of a person developing what? a certain type of cancer 25 of 30 What are two examples of a viral infection? hepatitis B hepatitis C 26 of 30 These increase the chances of developing what cancer? liver cancer 27 of 30 Genetic Risk Factors ---------------------------- Some may inherit what? a faulty gene 28 of 30 Which makes a person what? susceptible to cancer 29 of 30 For examples mutations in the BRCA genes have been linked to an increased chance of developing what cancers? breast and ovarian cancer 30 of 30
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