did-you-kno: The pink inner corner of your eye helps with movement and tear drainage, but it’s actually left over from when humans used to have a third eyelid. Source

did-you-kno: The pink inner corner of your eye helps with movement and tear drainage, but it’s actually left over from when humans used to have a third eyelid. Source

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from: https://ciel62.tumblr.com/post/140515154216