Relier Pairs The eyesVersion en ligne The eyes par Alba Castellano Navarro 1 Vitreous humour 2 Eyelashes 3 Sclera 4 Iris 5 Eyelid 6 Cristaline lens 7 Eyebrows 8 Optic nerve 9 Aqueous humour 10 Lacrimal glands 11 Fovea 12 Retina 13 Pupil Are folds of skin that are opened and closed by the eye orbit muscles. They prevent the eyeball from drying out and stop particles from entering. It is the internal layer of the eyeball that contains photoreceptor cells called cones and rods. It transmits the information to the brain. Is a circular structure. Its colour varies from person to person. Is the opaque, white outer layer. The front part (cornea) is transparent. It is a transparent fluid between the cornea and the crystalline lens. Are hairs that grow out of the eyelids. They limit access to light and stop particles from entering the eyes. Produce tears, which clean the eye and keep it moist. They also destroy bacteria. It is the hole in the center of the iris. It is transparent, gelatinous fluid filling the eyeball. Are hairs that stop sweat from entering the eye. It is an elastic, transparent, biconvex structure behind the iris. Is an area of the retina with many cones. It is responsible for sharp vision.
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