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11 results for “lunar regolith the moon ancient chronicle written in dust”
- The Perpetually Curious! › Canonical › Biology & HealthArticle
💧 Why We Cry: The Quiet Science of Tears, Sadness, and Grief
From section: 👁️ The surface of the eye and the first purpose of tearsWhen something irritates the eye, such as dust, smoke, or the vapors released when cutting an onion, sensory nerves send signals to the brainstem. The brainstem responds by instructing the lacrimal glands to release a sudden flow of reflex tears. …