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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Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.
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Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.
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Your heart beats over 36 million times a year.
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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
School-age children are often independent and industrious, with a developing sense of self-confidenc
A taxonomic chart of the living primates.
Living with Floods
Programs such as Meals on Wheels provide hot meals to elderly adults who cannot leave their homes