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Author Question: In a newly fertilized egg, the vitelline layer A) opens the egg's nuclear membra (Read 739 times) |
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Human kidneys will clean about 1 million gallons of blood in an average lifetime.
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The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.
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More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.
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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
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Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.