Questions 1. Can you feel it when your pupils dilate? 2. Do you have any control over your pupils when they dilate? 3. What do we call this when a reflex happens without our control? 4. Why do our pupils get bigger in the dark and smaller in the light? 5. How does this reflex protect our eyes? | Answers 1. I can't feel when when my pupils dilate at all. 2. No, when you look into a bright light or the sun your eyes don't need to be wide open because it's so light, but when its really dark your eyes become really wide because they can't see as well. 3. We call this sensory nerves, and motor nerves. 4. They get bigger in the dark because they can't see as well, and when you look into the light they get smaller because they can see a lot better. 5. It prevents the cones and rods in our eyes from getting burned. |
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May 2014
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