/u/Xefair's posts in /r/askscience

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Would it be possible and practical for an animal/person to have a respiration system with two ends, where the air goes in, and out the other end constantly

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Would it be possible for a respiratory system of an animal or human to have two ends, and a constant airflow in from one end and an airflow out of the other, like a digestive track for oxygen?

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Why do so many people struggle with spelling words and different homonyms while other people see no problem with spelling at all?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Would it be possible and practical for an animal/person to have a respiration system with two ends, where the air goes in, and out the other end constantly	1
Would it be possible for a respiratory system of an animal or human to have two ends, and a constant airflow in from one end and an airflow out of the other, like a digestive track for oxygen?	1
Why do so many people struggle with spelling words and different homonyms while other people see no problem with spelling at all?	1