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Author Question: The middle layer of the vessel is the tunica ________. (Read 61 times) |
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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.
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The longest a person has survived after a heart transplant is 24 years.
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Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.