Introduction to Cancer The individual unruly cell that has escaped the normal regulatory control mechanisms is the basic unit of cancer. Inside the nucleus is a substance called DNA, which contains genetic information for the body, organized in units called genes. These genes contain the complete plans for the body. They determine weather you have a blue or a green eye, weather you will have two or four legs, etc. They send out information that …showed first 75 words of 1080 total…

…showed last 75 words of 1080 total…to run in a family. History of Cancer Cancer has plugged humans since ancient times. It has been found in the bones and skulls of ancient Egyptians and Peruvian mummies as far back as 3000 BC. Hypocrites, around 400 BC, first used carcinoma, from the Greek word karkinoma, meaning "crab". Around 200 AC Clarissmus Galen, was the first that referred to fleshy tumors as sarcomas. IN 1936, Johnnes M·ler used microscope to distinguish between normal and cancer cells.