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Did you know?
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
Did you know?
It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.
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.
Did you know?
There are approximately 3 million unintended pregnancies in the United States each year.
Did you know?
The average adult has about 21 square feet of skin.

