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The Sharkman has just been diagnosed with Leukimia, and asks his Doctor what causes cancer. His doctor starts with an overview of cell communication
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| Cellular communication is how your cells pass messages to each other. | |
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| How are these messages passed? | |
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| Sometimes, the cells will send each other cells. Other times, the environment will cause the signals. | |
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| What causes are there that would cause interference with cell's communication? | |
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| Sometimes, cells ignore the signals that they're given. Other times, the signals don't reach their target or are lost. Other times there are too few or too many signals. | |
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| Which of these things causes cancer | |
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