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Did you know?
There are more nerve cells in one human brain than there are stars in the Milky Way.
Did you know?
Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.
Did you know?
There are approximately 3 million unintended pregnancies in the United States each year.
Did you know?
The human body produces and destroys 15 million blood cells every second.