THE SENSE OF SIGHTVersión en línea Match the words with their definitions por Rocio Velicia 1 group 1 2 group 2 3 group 3 4 group 4 5 group 5 6 group 6 iris the coloured circle at the front of the eye. It can be green, brown or blue [Delete] the black circle in the middle of the iris. It lets light into the eye the black circle in the middle of the iris. It lets light into the eye pupil retina A layer of cells inside the eye. It turns the light that enter the eye into nerve signals so the brain can understand what the eye is seeing. eyebrows eyelashes They are protective parts of the eye. The help keep dust and sweat out of the eyes. Lacrimal glands They produce tears that keep the eyes clean ams moist. eyelids They spread the moisture from tears over the surface of the eye. They also stop excess light from coming in and damaging the eye.
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