Errors in cell division and cancer: basics
Lesson 5 / 9
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Lesson outcome
I can describe cancer, including benign and malignant tumours, and identify potential risk factors for cancer.
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Cancer is caused by uncontrolled cell growth and division which can lead to the formation of tumours.
Not all tumours are cancerous; they can be benign or malignant.
Benign tumours are usually contained within one area and do not invade surrounding tissues.
Malignant tumours are cancerous, they invade surrounding tissues and can cause secondary tumours.
Scientists have identified lifestyle and genetic factors that can increase the risk of developing cancer.
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