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The horizontal fraction bar was introduced by the Arabs.

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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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Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

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Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

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Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Anatomical Charts Muscular System Anatomical Charts Muscular System
Female Reproductive system Female Reproductive system
Disorders of or Associated with the Lymphatic System Cont Disorders of or Associated with the Lymphatic System Cont
Typical computer-controlled diesel engine fuel injectors. Typical computer-controlled diesel engine fuel injectors.
Chrysler recommends that the bleeder valve be opened whenever refilling the cooling system. Chrysler recommends that the bleeder valve be opened whenever refilling the cooling system.
Engine oil pressure is used to switch cam lobes on a VTEC system. Engine oil pressure is used to switch cam lobes on a VTEC system.
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