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Hace 11 horas · The human eye is an organ of the sensory nervous system that reacts to visible light and allows the use of visual information for various purposes including seeing things, keeping balance, and maintaining circadian rhythm.. Arizona Eye Model. "A" is accommodation in diopters. The eye can be considered as a living optical device.It is approximately spherical in shape, with its outer layers ...
Hace 11 horas · The global African diaspora is the worldwide collection of communities descended from people from Africa, predominantly in the Americas. The African populations in the Americas are descended from haplogroup L genetic groups of native Africans. The term most commonly refers to the descendants of the native West and Central Africans who were enslaved and shipped to the Americas via the Atlantic ...
Hace 11 horas · Definition of "WASHBOARD" a board made of ridged wood or a sheet of corrugated zinc, used when washing clothes as a surface against which to scrub them. Example : guys with washboard stomachs; washboard abdominal muscles; a patch of washboard bounces the wheels around
