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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.
Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.
The human body produces and destroys 15 million blood cells every second.
The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

