Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.
Did you know?
If you could remove all of your skin, it would weigh up to 5 pounds.
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?
There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.
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A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.
The thorax of apes, including humans, is broad but shallow in contrast to the narrower, deeper chest
Jean Piaget in his office.
Types, Sizes, and Uses of Computers in the Medical Office
Anti-Anxiety Drugs Used in the Dental Office
Good body mechanics for sitting on chair while performing massage. A. Sit with back and head in ...
Insect PollinationHoneybees are efficient pollinators of a variety of flowers, including those of be