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