On average, the stomach produces 2 L of hydrochloric acid per day.
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HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.
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Atropine, along with scopolamine and hyoscyamine, is found in the Datura stramonium plant, which gives hallucinogenic effects and is also known as locoweed.
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If all the neurons in the human body were lined up, they would stretch more than 600 miles.
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Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.
Operant conditioning, also known as trial-and-error learning.
Teaching tools for instruction
Primary School Attendance in World Regions Attending primary school is common but not universal, wo