The trachea, also called the windpipe, is part of the passageway that supplies air to the lungs. Any prolonged blockage, even for a few minutes, can cause death. The trachea is about 4.5 inches long ...
After years of struggling to breathe and fearing she might suffocate in her sleep, Sonia Sein says she feels well enough to dance around with her grandchildren after undergoing the first-ever human ...
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