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Thread: ¤¤ کیا آپ جانتے ہیں/سائنسی معلومات¤¤

  1. 24th May 2015, 11:07 AM #1
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    Default ¤¤ کیا آپ جانتے ہیں/سائنسی معلومات¤¤




    دوستوں کیسے ہو امید کرتا ہوں سب فٹ فاٹ ہونگے، چلتے ہیں ٹاپک کی جانب.

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    * زیادہ تر لوگ ایک منٹ میں پندرہ بار پلکیں جھپکتے ہیں.




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    * مردوں کی آنکھیں، آنکھوں سے تقریبا`` 0.5 گنا بڑی ہوتی ہیں.




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    * بچوں کے کان، بڑوں کی نسبت زیادہ حساس ہوتے ہیں.




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    * انسانی کان تقریبا`` 1,500 مختلف لہجوں
    (Tones)
    اور شور
    (Loudness)
    کے تقریبا`` 350 درجے پہچان سکتے ہیں.




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    * اکثر ذائقوں کا تعلق سونگھنے کی حس سے ہوتا ہے.




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    * انسان 2,000 سے 4,000 تک مختلف قسم کی بو سونگھ سکتا ہے.




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    * زبان پر تقریبا`` 10,000 یا اس کے لگ بھگ ذائقے کی کلیاں یا ٹیسٹ بڈز
    (Taste buds)
    ہوتے ہیں.




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    * اگر آپ کے سننے کی حس نارمل ہے، تو آپ 20,000 Hz تک کی آواز سن سکتے ہیں.




    حوالہ: کتاب: "معلومات_ عامہ سیریز"انسانی جسم" کلام ایجوکیشنل بکس، صفحہ نمبر: ‏‎ 62‏


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  2. 24th May 2015, 11:17 AM #2
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  3. 24th May 2015, 11:51 AM #3
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    ‎بچہ آدمی کا باپ ہوتاہے‎
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  4. 24th May 2015, 03:41 PM #4
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  5. 24th May 2015, 08:48 PM #5
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  6. 24th May 2015, 08:58 PM #6
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    Quote S.jaan11 said: View Post
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  7. 24th May 2015, 08:59 PM #7
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    Quote Asad785 said: View Post
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  8. 24th May 2015, 09:00 PM #8
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    Quote Baloch147 said: View Post
    Great Sharing...... Thanks
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  9. 24th May 2015, 09:02 PM #9
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    Quote Ghani anjum said: View Post

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  10. 24th May 2015, 09:14 PM #10
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  11. 26th May 2015, 04:18 PM #11
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  12. 2nd June 2015, 10:40 AM #12
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