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Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

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There are more sensory neurons in the tongue than in any other part of the body.

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In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

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Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

An analogy for how cardiac output, resistance, and blood pressure are related. An analogy for how cardiac output, resistance, and blood pressure are related.
ABO Blood Reactions Are Important in Transfusions ABO Blood Reactions Are Important in Transfusions
The five different types of leukocytes (white blood cells). The five different types of leukocytes (white blood cells).
Blood Pressure Classifications Blood Pressure Classifications
Blood pressure measurements: Auscultation of blood pressure Blood pressure measurements: Auscultation of blood pressure
Effects associated with various blood levels of lead in children Effects associated with various blood levels of lead in children
Video: Gas exchange - driving force

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