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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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Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

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There are more nerve cells in one human brain than there are stars in the Milky Way.

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To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

2006 Data:Top 25 Substances Involved in Human Exposures 2006 Data:Top 25 Substances Involved in Human Exposures
A beam-type torque wrench that displays the torque reading on the face of the dial. The beam display ... A beam-type torque wrench that displays the torque reading on the face of the dial. The beam display ...
Coolant flow through the impeller and scroll of a coolant pump for a V-type engine. Coolant flow through the impeller and scroll of a coolant pump for a V-type engine.
The material safety data sheet (MSDS) for sulfuric acid showing the detailed technical information ... The material safety data sheet (MSDS) for sulfuric acid showing the detailed technical information ...
Comparison of D-type Climates Comparison of D-type Climates
Bar-eye phenotypes in contrast to the wild-type eye in Drosophila Bar-eye phenotypes in contrast to the wild-type eye in Drosophila
Video: Dendrite Animation

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