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Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.
Did you know?
Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.
Did you know?
Blood is approximately twice as thick as water because of the cells and other components found in it.
Did you know?
The FDA recognizes 118 routes of administration.
Did you know?
In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.