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

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Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

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Approximately 25% of all reported medication errors result from some kind of name confusion.

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All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

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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.

Mechanoreceptors in the lateral line system that detect changes in water movement. Mechanoreceptors in the lateral line system that detect changes in water movement.
Structure of the water molecule Structure of the water molecule
Layers of Rock Laid Down by Water Layers of Rock Laid Down by Water
Movement of Water in the World Ocean Movement of Water in the World Ocean
Rackstraw Downes, Presidio in the Sand Hills Looking East with ATV Tracks and Water Tower. Rackstraw Downes, Presidio in the Sand Hills Looking East with ATV Tracks and Water Tower.
A typical 1/2 inch drive air impact wrench. The direction of rotation can be changed to loosen or ... A typical 1/2 inch drive air impact wrench. The direction of rotation can be changed to loosen or ...
Video: Hormonal feedback loop components

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