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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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Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

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The familiar sounds of your heart are made by the heart's valves as they open and close.

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Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

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Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

Species, subspecies, populations, and individuals. Species are reproductively isolated from one anot Species, subspecies, populations, and individuals. Species are reproductively isolated from one anot
Dominance relationships among individuals play an important role in many primate societies. Dominance relationships among individuals play an important role in many primate societies.
This photograph of a Union soldier just freed from Andersonville prison, stunned and enraged norther This photograph of a Union soldier just freed from Andersonville prison, stunned and enraged norther
A society’s dominant ideologies are reinforced throughout the society, including its literature. ... A society’s dominant ideologies are reinforced throughout the society, including its literature. ...
The outcome of a mating between individuals heterozygous at two genes determining their ABO blood ty The outcome of a mating between individuals heterozygous at two genes determining their ABO blood ty
individuals with xeroderma pigmentosum individuals with xeroderma pigmentosum
Video: Effect of blood chemistry - stimuli, hyperventilation response and hypoventilation response

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