لماذا نبكي؟

هل تساءلت يوماً ما لماذا تسيل المياه من عينيك عندما تكون حزيناً؟ قم بدعم Life Noggin على Patreon: https://www.patreon.com/LifeNogginStudios?ty=h قم بمتابعتنا! https://twitter.com/LifeNoggin https://facebook.com/LifeNoggin انقر هنا لمشاهدة المزيد من الفيديوهات: https://alugha.com/LifeNoggin إنّ Life Noggin سلسلة رسوم متحركة تعليمية أسبوعية, نحن نستكشف جميع المواضيع الممتعة مثل العلوم, التاريخ, الفن والثقافة العامة. فريق Life Noggin: الرسوم المتحركة من ستيفن لاوسن الإخراج/الصوت: http://lifenogg.in/patgraziosi المنتج التنفيذي: http://lifenogg.in/IanDokie مدير التسويق: http://lifenogg.in/JaredOban الـتأليف: http://lifenogg.in/KayleeYuhas المصادر: http://www.independent.co.uk/life-style/health-and-families/features/why-do-we-cry-the-science-of-tears-9741287.html http://science.howstuffworks.com/life/inside-the-mind/emotions/crying1.htm http://www.nature.com/scitable/blog/mind-read/why_do_we_cry_when\r\nhttp://www.youreyedoc.com/st-louis/dry-eye-center.htm

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