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Respiratory system: Facts, function and diseasesThe respiratory system is responsible for taking in oxygen and expelling carbon dioxide. The main organs are the lungs, which work in concert with the cardiovascular system.
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Tooth sensitivity: Causes and remediesTooth sensitivity is a common dental problem that involves discomfort or pain in teeth when encountering certain substances and temperatures.
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Ears: Facts, function & diseaseThe ears are complex systems that not only provide the ability to hear, but also make it possible to maintain balance.
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How many organs are in the human body?There isn't an official "organ count" for the human body, but is there a ballpark estimate?
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Does charcoal toothpaste really whiten teeth?Activated charcoal can protect against some poisons, but can it help whiten your smile?
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Why are teeth so sensitive to pain?Wouldn't it be easier if our teeth didn't feel pain?
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Has the Average Human Body Temperature Always Been the Same?Evidence suggests that modern humans may be cooler than our 19th-century ancestors.
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The Human Skeletal SystemHumans wouldn't get very far without bones — literally.
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A Man Took Antibiotics Before Going to the Dentist. He Developed An Ultra-Rare Brain Side EffectAs scary as it may sound, a root canal is a fairly routine dental procedure. But for one 60-year-old man, the procedure turned life threatening.
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