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The human body produces and destroys 15 million blood cells every second.

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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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In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

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Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

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Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.

The insect family Coenagrionidae is found in the order Odonata and the suborder Zygoptera. The insect family Coenagrionidae is found in the order Odonata and the suborder Zygoptera.
The Red-bearded Bee-eater Nyctyornis amictus is a large species of bee-eater found in the Indo-Malay The Red-bearded Bee-eater Nyctyornis amictus is a large species of bee-eater found in the Indo-Malay
Anatomically modern humans from the Israeli cave sites of Skhul and Qafzeh may be the earliest found Anatomically modern humans from the Israeli cave sites of Skhul and Qafzeh may be the earliest found
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Video: Oxygen - hemoglobin dissociation curve & Hemoglobin's affinity with oxygen - acidity

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