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Author Question: In which of the following do the mucous membranes serve as a portal of entry for disease? (Read 63 times) |
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On average, the stomach produces 2 L of hydrochloric acid per day.
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A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.
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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
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Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.
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The horizontal fraction bar was introduced by the Arabs.