|
|
Did you know?
Vaccines prevent between 2.5 and 4 million deaths every year.
Did you know?
Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).
Did you know?
After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
Did you know?
If you could remove all of your skin, it would weigh up to 5 pounds.
Did you know?
On average, the stomach produces 2 L of hydrochloric acid per day.