The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.
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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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Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.
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Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.
Components of blood.
The Formation of the Solar System
Components of critical thinking in nursing
Components of the nervous system.
The International Radura Symbol The radura symbol must appear on all irradiated foods