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Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

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Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

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Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

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The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

Features of normal metaphase chromosomes. Features of normal metaphase chromosomes.
An analogy for how cardiac output, resistance, and blood pressure are related. An analogy for how cardiac output, resistance, and blood pressure are related.
Blood–brain barrier. Blood–brain barrier.
Structure of the homodimeric thymidylate synthase from E. coli Structure of the homodimeric thymidylate synthase from E. coli
Vitamin K plays a major role in blood coagulation, or clotting Vitamin K plays a major role in blood coagulation, or clotting
Normal Red Blood Cells Normal Red Blood Cells
Video: Amniocentesis and CVS Animation

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