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