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Author Question: The two known types of sympathetic receptors are the ____________________________________________ ... (Read 50 times) |
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There are 60,000 miles of blood vessels in every adult human.
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You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.
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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
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The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.
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Vaccines prevent between 2.5 and 4 million deaths every year.