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Did you know?
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
Did you know?
In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.
Did you know?
On average, the stomach produces 2 L of hydrochloric acid per day.
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?
If you could remove all of your skin, it would weigh up to 5 pounds.