Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
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There are more nerve cells in one human brain than there are stars in the Milky Way.
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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
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Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.
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Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.
The most abundant elements found in living organisms
Permafrost is found in much of Northern Canada
Lemurs are found only in Madagascar.
Inflated Phrases Compared with Concise Terms
This unit is applying smoke to the fuel tank through an adapter and the leak was easily found to be ...