http://www.reddit.com/user/GuyOnABuffaloaf
GuyOnABuffaloaf7 karma2015-02-13 20:34:56 UTC
Here's a great illustration showing the difference between respiratory systems:
http://cdn.visualnews.com/wp-content/uploads/2014/10/3-different-ways-to-breath.gif
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GuyOnABuffaloaf7 karma
Here's a great illustration showing the difference between respiratory systems:
http://cdn.visualnews.com/wp-content/uploads/2014/10/3-different-ways-to-breath.gif
View HistoryShare Link