Keywords: Students learn about how animals breathe through their skin.jpg en <br/> Image title Students learn about how animals breathe through their skin Image from Public domain images website http //www public-domain-image com/full-image/people-public-domain-images-pictures/children-kids-public-domain-images-pictures/students-learn-about-how-animals-breathe-through-their-skin jpg html http //www public-domain-image com/public-domain-images-pictures-free-stock-photos/people-public-domain-images-pictures/children-kids-public-domain-images-pictures/students-learn-about-how-animals-breathe-through-their-skin jpg Walton LaVonda U S Fish and Wildlife Service Not given Transferred by Fæ on 2013-02-26 This file is in public domain not copyrighted no rights reserved free for any use You can use this picture for any use including commercial purposes without the prior written permission and without fee or obligation PD-author Walton LaVonda U S Fish and Wildlife Service Images uploaded by Fæ Public-domain-image com Images uploaded by Fæ check needed Public-domain-image com check needed Biologists at work |