The familiar sounds of your heart are made by the heart's valves as they open and close.
Did you know?
A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.
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The human body produces and destroys 15 million blood cells every second.
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Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.
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Blood is approximately twice as thick as water because of the cells and other components found in it.
Assessing for McMurray's Sign
Loss of Indian Lands, 1850–2010
Early in the twentieth century, when malnutrition was common, companies such as this one advertised
Medical Language
To search for the Native American family would be fruitless. There are rural, urban, single-parent, ...