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Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

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Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

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Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

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For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

The mammalian urinary system including the basic functional unit of the nephron. The mammalian urinary system including the basic functional unit of the nephron.
Some notes to help chapter3 basic biotechnology Some notes to help chapter3 basic biotechnology
A basic principle of symbolic interactionism is that meaning is not inherent in an object or event, ... A basic principle of symbolic interactionism is that meaning is not inherent in an object or event, ...
Basic anatomy of the brain. Basic anatomy of the brain.
Basic Amino acids Basic Amino acids
Basic Chart of Food Chain Basic Chart of Food Chain
Video: The Nerve Impulse

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