OSMOTIC

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                    [ArticleID] => 789206
                    [Title] => We need air (clean air!)
                    [Summary] => 
During evolution, as animals grew bigger and more active, there was a need to transport more oxygen to the tissues. How did nature fill this need?
                    [DatePublished] => 2012-03-22 00:00:00
                    [ColumnID] => 135735
                    [Focus] => 0
                    [AuthorID] => 1296935
                    [AuthorName] => Eduardo A. Padlan, Ph.D.
                    [SectionName] => Science and Environment
                    [SectionUrl] => science-and-environment
                    [URL] => 
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We need air (clean air!)

By Eduardo A. Padlan, Ph.D. | March 22, 2012 - 12:00am

During evolution, as animals grew bigger and more active, there was a need to transport more oxygen to the tissues. How did nature fill this need?

Science and Environment