Emotions forming. At increase of of hydrogen ions and парциального ecological conditions and atmosphere pollution, protective respiratory reflexes. Daily power consumption Colour sight is an ability of the visual analyzer to react to changes of a light range between short-wave - violet colour (length of a wave 400 nanometers) and long-wave - red colour (length of a wave of 700 nanometers) with formation of sensation of colour. All other colours: dark blue, yellow, green, orange have intermediate values of length of a wave. If to mix beams of all colours we will receive white colour.