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Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.
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Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.
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All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.
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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.
Genome sizes among selected groups of eukaryotes
Some organisms used as models in genetic research
Standardization of Selected Herbal Products
Vapor Densities of Selected Chemicals
4 QUESTIONS PEASE I NEED IT TODAY AND I DONT HAVE MORE CREDITS TO START A NEW TOPIC
Selected Cancers with Inherited Predisposition