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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

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According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

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Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

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In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

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Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

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A radiator may be either a down-flow or a cross-flow type. A radiator may be either a down-flow or a cross-flow type.
Cycads, a Type of Gymnosperm Cycads, a Type of Gymnosperm
Comparison of A-type Climates Comparison of A-type Climates
For each substrate below, choose which reaction type is favored. Place the letter of the ... For each substrate below, choose which reaction type is favored. Place the letter of the ...
Chloroplast segregation determined by mating type in Chlamydomonas Chloroplast segregation determined by mating type in Chlamydomonas
Video: Oral Hygiene & Braces Animation

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