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Did you know?
On average, the stomach produces 2 L of hydrochloric acid per day.
Did you know?
Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.
Did you know?
About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.
Did you know?
People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.