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Cyanide works by making the human body unable to use oxygen.
On average, the stomach produces 2 L of hydrochloric acid per day.
There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.
The longest a person has survived after a heart transplant is 24 years.
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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