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human aging
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What causes our skin to wrinkle as we age?
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Muscles of facial expression, human anatomy, (Netter replacement project - SSC). Human face, human head.
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Person paying with a credit card using a credit card terminal. Cashless payment, credit card reader
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Artist interpretation of a Space meteoroid impact. Meteor impact. Asteroid, End of the world, danger, destruction, dinosaur extinct, Judgement Day, Planet Earth, Doomsday Predictions, comet
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Albert Einstein in Washington, D.C. c. 1921-1923. Physicist
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Queen Elizabeth II addresses at opening of Parliament. (Date unknown on photo, but may be 1958, the first time the opening of Parliament was filmed.)
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The Battle of New Orleans, by E. Percy Moran, c. 1910. Andrew Jackson, War of 1812.
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Washington DC.,USA, April 26, 1989. Supporters for and against legal abortion face off during a protest outside the United States Supreme Court Building during Webster V Health Services
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Young men throw balloons and glitter from above the mosque at the celebration Eid Al-Fitr after prayers playing with balloons outside of Al-seddeeq mosque, Al-Mansourah, Egypt. 17 July 2015.
Eid al-Fitr
Science & Tech

human aging

physiology and sociology
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Category: Science & Tech
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human aging, physiological changes that take place in the human body leading to senescence, the decline of biological functions and of the ability to adapt to metabolic stress. In humans the physiological developments are normally accompanied by psychological and behavioral changes, and other changes, involving social and economic factors, also occur. Aging begins as soon as adulthood is reached and is as much a part of human life as are infancy, childhood, and adolescence. Gerontology (the study of aging) is concerned primarily with the changes that occur between the attainment of maturity and the death of the individual. The goal ...(100 of 5007 words)

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