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