Ankit Gupta Posted March 27, 2013 Share Posted March 27, 2013 why is our snot is mostly green or yellowish ? i have read about it in many books but i didn't get any reasonable answer , even a book is named on it " why is snot green ? " . Link to comment Share on other sites More sharing options...
pwagen Posted March 27, 2013 Share Posted March 27, 2013 When you have a cold, your immune system sends white blood cells called neutrophils rushing to the area. These cells contain a greenish-colored enzyme, and in large numbers they can turn the mucus the same color. http://www.webmd.com/allergies/features/the-truth-about-mucus?page=2 1 Link to comment Share on other sites More sharing options...
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