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Did you know?

The FDA recognizes 118 routes of administration.

Did you know?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

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Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

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There are more sensory neurons in the tongue than in any other part of the body.

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

Red-Green Color Blindness Is a Sex-Linked Trait in Humans Red-Green Color Blindness Is a Sex-Linked Trait in Humans
Oxidation of Fe-bearing minerals gives rocks, soils rusty color. Oxidation of Fe-bearing minerals gives rocks, soils rusty color.
Firing Rate of Individual SCN Neurons in a Tissue Culture Color bars have been added to emphasize th Firing Rate of Individual SCN Neurons in a Tissue Culture Color bars have been added to emphasize th
Humans have 23 pairs of chromosomes, containing 3 billion “letters” in the DNA code and about ... Humans have 23 pairs of chromosomes, containing 3 billion “letters” in the DNA code and about ...
Color Vision Color Vision
Allelic series for coat-color determination in mammals Allelic series for coat-color determination in mammals
Video: Major Elements in Biological Molecules: Lipids

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