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What Causes Dilated Pupils?

tipo de documento Biologia - Experiment/Pràctica

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Your eyes are amazing organs. Look in the mirror, and you’ll see three colors in your eyes: the white part (sclera), the colored part (iris), and a small black dot (the pupil).The iris helps control the movement of your pupil. It’s sort of like a lens on a camera: it moves in and out, changing how big or small your pupil is. Without your iris controlling the size of your pupil, seeing in different situations would be difficult! So how come? To find out, we’re going to build models of the pupil and see how each affects the amount of light let in.How do different pupil sizes change the way light enters the eye, and what does this tell us about why our pupils change sizes in the first place?

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