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canncerr

QuestionAnswer
Cancer a disease in which abnormal cells divide uncontrollabbly & destroy body tissue
Tumor an abnomal mass of tissue rresulting from uncontrolled divisions of cells
Benign tumor that can grow but will not spread to other parts of the body Often surrounded by a capsule which can potentially make easier to remove via surgery Can become dangerous when pressing on vital organs e.g. the brain
Malignant tumor that can grow & spread to other parts of the body
Metastasis the spreading of tumor cells to form a secondary tumor in different parts of the body Usually carried by blood or lymph - lymoh nodes often the 1st plact cancer spread
cause Cancer is caused by changes (mutations) to DNA/genes Errors in the instructions can cuse the cell to stop its normal functions & allow a cll tto become cancerous Gene mutations
geene mutations do Allow rapid growth of mutated cells Failure to stop uncontrolled cell growth Make mistakes when repairing dna errors envirro factors can cause
Carcinogen an environmental factor that can cause/trigger cancer Uv radiation X raays Ionizing radiation Viruses Chemical carcinogen
Created by: procrast
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