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On average, the stomach produces 2 L of hydrochloric acid per day.

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Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

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In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

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Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

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The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

Martin Van Buren, sitting uncomfortably for this engraving, would eventually ascend to the presidenc Martin Van Buren, sitting uncomfortably for this engraving, would eventually ascend to the presidenc
Three days after the Boston Marathon explosion, the FBI released this photograph that had been taken Three days after the Boston Marathon explosion, the FBI released this photograph that had been taken
Measuring an infant’s length Measuring an infant’s length
Correlations between scores on a psychology test and number of boiled kumquats eaten per month Correlations between scores on a psychology test and number of boiled kumquats eaten per month
Use a compound angle addition formula to determine an equivalent trig expression for cos(x + ... Use a compound angle addition formula to determine an equivalent trig expression for cos(x + ...
Video: Introduction to Human Immunodeficiency Virus (HIV)

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