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Did you know?

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.

Did you know?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

A genetic bottleneck reduces a population temporarily to very low levels, removing much of its genet A genetic bottleneck reduces a population temporarily to very low levels, removing much of its genet
Three Population Pyramids Three Population Pyramids
Cumulative Standard Normal Distribution Cumulative Standard Normal Distribution
Population and Settlement Population and Settlement
Population and Settlement Population and Settlement
Bacteria Population Bacteria Population
Video: Passive Smoke Exposure

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