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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

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

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Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

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Everyone has one nostril that is larger than the other.

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The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

The Black Bee-eater (Merops gularis) is a species of bird in the Meropidae family. The Black Bee-eater (Merops gularis) is a species of bird in the Meropidae family.
Basic overview of energy and human life. Basic overview of energy and human life.
brain development in the human embryo brain development in the human embryo
Thorax Anterior view of human body Thorax Anterior view of human body
Human Population Growth Human Population Growth
Some threatened and endangered species Some threatened and endangered species
Video: Digestive chemicals - types & enzymes

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