Relier Pairs The eyesVersion en ligne The eyes par Alba Castellano Navarro 1 Sclera 2 Aqueous humour 3 Fovea 4 Retina 5 Iris 6 Vitreous humour 7 Optic nerve 8 Eyelid 9 Eyebrows 10 Cristaline lens 11 Pupil 12 Lacrimal glands 13 Eyelashes Is an area of the retina with many cones. It is responsible for sharp vision. 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 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. Are hairs that stop sweat from entering the eye. Are hairs that grow out of the eyelids. They limit access to light and stop particles from entering the eyes. It is a transparent fluid between the cornea and the crystalline lens. It transmits the information to the brain. It is transparent, gelatinous fluid filling the eyeball. Is the opaque, white outer layer. The front part (cornea) is transparent. It is the hole in the center of the iris. Is a circular structure. Its colour varies from person to person.
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