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Did you know?

In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

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The FDA recognizes 118 routes of administration.

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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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Video: Ear Virtual Tour Animation

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