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Did you know?
Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.
Did you know?
On average, the stomach produces 2 L of hydrochloric acid per day.
Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.
Did you know?
During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).
Did you know?
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.