Cancer

• Mutations

  • Caused by carcinogens
  • In genes
  • Oncogenes
  • P53 gene
  • Often found and destroyed by white blood cells- if not it becomes a tumour
• Benign


  Not cancerous and doesn’t spread
• malignant


  spreads and becomes metastatic tumours which damages tissues/organs
• repeated exposure to carcinogens creates a cancer cell. Its uncontrolled division forms a tumour and gets into the blood supply. The tumour cells can enter the blood supply and spread called metastasis.