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TP (throttle position) sensor
On average, the stomach produces 2 L of hydrochloric acid per day.
The human body produces and destroys 15 million blood cells every second.
The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.
Thyroid conditions may make getting pregnant impossible.
About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
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