Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."
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The familiar sounds of your heart are made by the heart's valves as they open and close.
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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.
Plant shoots have a modular organization.
Female urinary system.
Disorders of the Respiratory System
Autonomic innervation of the female reproductive system
Female Reproductive System - Oocyte "بويضة الجهاز التناسلي "