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Author Question: Mr. Pietrzyk teaches first grade. In his classroom there is ample time for peer collaboration and ... (Read 360 times) |
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The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
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Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.
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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
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Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.
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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.