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Which of the following orders of elements is correct in the human body according to their percentage contribution to body weight?

Which of the following orders of elements is correct in the human body
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logy: Sensory Reception and Processing (B) Mechanism of vision :- There are two types of photoreceptor cells, namely, rods and cones. These cells contain the light-sensitive proteins called the photopigments. The daylight (photopic) vision and colour vision are functions of cones and the twilight (scotopic) vision is the function of the rods. The rods contain a purplish-red protein called the rhodopsin or visual purple, which contains a derivative of Vitamin A. In the human eye, there are three types of cones which possess their own characteristic photopigments that respond to red, green and blue lights. The sensations of different colours are produced by various combinations of these cones and their photopigments. When these cones are stimulated equally, a sensation of white light is produced. The light rays in visible wavelength focussed on the retina through the cornea and lens generate potentials (impulses) in rods and cones. As mentioned earlier, the photosensitive compounds (photopigments) in the human eyes is composed of opsin (a protein) and retinal (an aldehyde of vitamin A). Light induces dissociation of the retinal from opsin resulting in changes in the structure of the opsin. This causes membrane permeability changes. As a result, potential differences are generated in the photoreceptor cells. This produces a signal that generates action potentials in the ganglion cells through the bipolar cells. These action potentials (impulses) are transmitted by the optic nerves to the visual cortex area of the brain, where the neural impulses are analysed and the image formed on the retina is recognised based on earlier memory and experience. For resynthesis of rohodopsin, animal blinks its eyelids. Retinal is formed by vitamin A so deficiency of vit A causes night blindness. Cones able us to differentiat among colours and bright light. Cones have a pigment called lodopsin in place of rhodopsin of rods. It is decomposed into photopsin and retinal. There are three types of cones in retina:- (a) Erythrolab - Red cones (b) Chlorolab - Green cones (c) Cynolab - Blue cones. We are able to acknowledge different colours due to these three types of cones and their combination. Red, green and blue are the primary colours.
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Question Text
Which of the following orders of elements is correct in the human body according to their percentage contribution to body weight?
Updated OnOct 1, 2022
TopicHuman Physiology
SubjectBiology
ClassClass 11
Answer Type Video solution: 1
Upvotes92
Avg. Video Duration6 min