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Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

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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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Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

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Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

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In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

Injecting an IV push (bolus) medication; A, into a peripheral saline lock Injecting an IV push (bolus) medication; A, into a peripheral saline lock
Tuberculosis. Microphotograph of the Mycobacterium tuberculosis, the cause of the disease TB. Tuberculosis. Microphotograph of the Mycobacterium tuberculosis, the cause of the disease TB.
Amyloid plaques (stained blue) in the brain of a deceased patient who had Alzheimer’s disease. Amyloid plaques (stained blue) in the brain of a deceased patient who had Alzheimer’s disease.
Rubella rash in a young child. Rubella is also called 3-day measles or German measles. Rubella rash in a young child. Rubella is also called 3-day measles or German measles.
The Vascular System The Vascular System
Different forms of a gene are called alleles Different forms of a gene are called alleles
Video: Female Reproductive System - Hormonal regulation (GnRH) الجهاز التناسلي للأنثى - التنظيم الهرموني

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