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How Pterosaurs Filled Their Lungs
Source info:
| Author: | |
|---|---|
| Date: | 2014-12-04 21:37:57 |
| Blog: | Laelaps  |
| URL: | http://phenomena.nationalgeographic.com/2014/12/04/how-pterosaurs-filled-their-lungs/ |
Summary:
Imagine a balloon inside a cask. There’s an opening at the top to blow air into, but here’s …Content analysis:
Keywords:
air, Anatomy, balloon, cask, Lungs, opening, Pterosaurs
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