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Choose a Page:How do we breathe?*How do our eyes see?*Where does our food go?How do we taste and smell?How do our ears work?How does a baby develop during pre... How do our eyes see? When we look at something, light from it enters our eyes. The light is focused on the retina at the back of the eye by the lens. The optic nerves in the retina send a message to the brain, enabling us to 'see.'   Previous: Back Book: Best Ever Q&A Section: Science & Technology Chapter: Senses & Organs