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The familiar sounds of your heart are made by the heart's valves as they open and close.

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Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

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Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

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Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

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Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Cross section of heart with pacemaker leads Cross section of heart with pacemaker leads
Frequent dining on fast food, which tends to be higher in fat and carbohydrates, may be convenient ... Frequent dining on fast food, which tends to be higher in fat and carbohydrates, may be convenient ...
Example of Index entry for an anatomic site with a cross-reference. Example of Index entry for an anatomic site with a cross-reference.
Osmosis: Water moves from an area of low solute concentration to an area of higher solute ... Osmosis: Water moves from an area of low solute concentration to an area of higher solute ...
Prices in Japan before and after Opening to Trade Prices in Japan before and after Opening to Trade
A multistep model for colon cancer. The first mutation, in the APC gene, leads to the formation of p A multistep model for colon cancer. The first mutation, in the APC gene, leads to the formation of p
Video: Pericarditis

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