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Did you know?

There are 60,000 miles of blood vessels in every adult human.

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

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The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

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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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According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

The general survey includes assessing every patient for signs of distress. The general survey includes assessing every patient for signs of distress.
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Washing hands and removing jewelry are two important safety habits all service technicians ... Washing hands and removing jewelry are two important safety habits all service technicians ...
The CAMEO entry for chlorine. Useful information includes chemical and physical properties, personal ... The CAMEO entry for chlorine. Useful information includes chemical and physical properties, personal ...
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