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Did you know?

There are 60,000 miles of blood vessels in every adult human.

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

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Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

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In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

Sequence of patient positions for heart auscultation Sequence of patient positions for heart auscultation
The Human Eye and its Structures The Human Eye and its Structures
Hostility and Heart Disease Hostility and Heart Disease
Samples from the range of continuous variation in human eye color. Different alleles of more than on Samples from the range of continuous variation in human eye color. Different alleles of more than on
Human Thyroid and Parathyroid Glands Human Thyroid and Parathyroid Glands
Structure of the human adrenal gland Structure of the human adrenal gland
Video: Blood Flow through the Human Heart

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