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Growth, Development, and Reproduction of Organisms: Human Body Systems
What is Cancer?
Description
What is Cancer?
Cancer is a disease in which cells grow uncontrollably and fail to die when they should. Normal cells divide in a regulated manner, following cell cycle checkpoints, whereas cancer cells bypass these controls due to mutations in oncogenes or tumor suppressor gene...
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Transcript
Cancer develops when some cells in the body stop following the normal rules for growing and dividing. Instead of dividing only when needed, these cells begin to multiply too fast and can disturb nearby healthy tissues.
Cancer starts with tiny changes in a cell’s DNA, called mutations. These changes can make cells grow too quickly or keep t...
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