Relier Pairs The eyesVersion en ligne The eyes par Alba Castellano Navarro 1 Pupil 2 Cristaline lens 3 Lacrimal glands 4 Fovea 5 Eyelid 6 Optic nerve 7 Aqueous humour 8 Eyebrows 9 Sclera 10 Vitreous humour 11 Iris 12 Eyelashes 13 Retina 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. Are hairs that stop sweat from entering the eye. It is a transparent fluid between the cornea and the crystalline lens. 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. Produce tears, which clean the eye and keep it moist. They also destroy bacteria. It is the hole in the center of the iris. It transmits the information to the brain. 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. 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. It is transparent, gelatinous fluid filling the eyeball.
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