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Mucus Helps Clean Out Human Lungs
2012-08-24 10:53:38

Researchers recently published a study on their work to understand how human lungs clean out mucus from colds and allergy, making the airways free to foreign matter that may be toxic or infectious to the body.


Word of the Day
ethnarch
  • The governor of a province or people.
The word 'ethnarch' comes from a Greek word meaning 'ruler of a tribe or nation'.
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