All living things are made up of cells. They are the smallest things that are capable of basic life-they take in nutrients when needed, they put out waste and they reproduce. Cells divide (reproduce) at least once during their life, sometimes dozens of times. Organisms rely on this, this is how they grow or repair themselves when they are damaged. A normal body has around 30 trillion cells. Permanent gene mutations are what cause cells to …
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…the cancerous cells. These treatments also destroy the blood producing cells in the patient's bone marrow. This sometimes requires a bone marrow transplant. NOTES 1. Microsoft Encarta Encyclopedia Deluxe 2001 2. www.ucan.cc 3. Prostate Cancer written by David G. Bostwick M.D. Published by Villard Books in 1996. 4. Colorectal Cancer written by Bernard Levin M.D. Published by Villard Books in 1996 Call #: NF 616.99 5. Women and Cancer written by Carolyn D. Runowicz M.D. Published by Villard Books in 1999.