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Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

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Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

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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.

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Human kidneys will clean about 1 million gallons of blood in an average lifetime.

Uterine (fallopian) tube, showing released ovum within the uterine tube. Uterine (fallopian) tube, showing released ovum within the uterine tube.
Banding of an esophageal varix; A, varix; B, insertion of tube with O-ring; C, O-ring is placed arou Banding of an esophageal varix; A, varix; B, insertion of tube with O-ring; C, O-ring is placed arou
Interstitial Fluid Interstitial Fluid
Body fluid compartments Body fluid compartments
Kidney Fluid Chemistry Kidney Fluid Chemistry
Fluid Compartments Fluid Compartments
Video: Energy sources - types

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