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