The horizontal fraction bar was introduced by the Arabs.
Did you know?
Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
The Lyme disease tick
Muscles of the abdomen.
Symptoms of Alzheimer’s Disease
Drugs for Peptic Ulcer Disease
Parkinson’s disease
Location of brain lesions in Alzheimer disease. Plaques are concentrated most heavily in the amygdal