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The top documents tagged [lungs frogs]
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AMPHIBIANS FROGSSALAMANDERSCAECILIANS Click HERE for an overview of amphibians! HERE Click on the speakers to hear the sounds of the rainforest! HOME Click
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Chapter 3 Section 3. Amphibians Amphibian: Amphibian: –Ectothermic vertebrate that spends its early life in water Amphibians spend their adulthood on
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Human Respiratory System As all living cells carry out respiration to release energy in order to maintain life, oxygen is needed and waste carbon dioxide
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