👁️ Why do your pupils get smaller in bright light and bigger in the dark? Your iris contains tiny muscles that automatically adjust your pupil size, helping control how much light reaches your retina. But that’s not all! Your pupils can also widen during fear, excitement, or intense focus. 🧠 Your eyes are constantly adapting—even when you don’t notice it! Follow for more fascinating human body facts and science-based medical animations. 🔬 #EyeFacts #HumanEye #PupilDilation #EyeAnatomy #HumanB
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👁️ Why do your pupils get smaller in bright light and bigger in the dark? Your iris contains tiny muscles that automatically adjust your pupil size, helping control how much light reaches your retina. But that’s not all! Your pupils can also widen during fear, excitement, or intense focus. 🧠 Your eyes are constantly adapting—even when you don’t notice it! Follow for more fascinating human body facts and science-based medical animations. 🔬 #EyeFacts #HumanEye #PupilDilation #EyeAnatomy #HumanB
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