Examlex
Various forms of contraception prevent pregnancy. What are the similarities between birth control pills and a diaphragm? How do the modes of action of these two contraceptive tools differ?
Light
Electromagnetic radiation that is visible to the human eye, fundamental for visual perception and involved in various biological processes.
Trichromatic Theory
Explanation of color vision based on the coding of three primary colors: red, green, and blue.
Color Vision
The ability of the visual system to distinguish objects based on the wavelengths of the light they reflect, emit, or transmit.
Retina
The light-sensitive layer of tissue at the back of the inner eye that converts light images into nerve signals sent to the brain.
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