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1. Exchange surfaces alveoli.ppt4.26 MB
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2. The need for an exchange system diffusion exp sm.ppt2.28 MB
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3. Adaptations of lungs and tissues sm.ppt3.9 MB
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4. Breathing and measuring lung capacity sm.ppt3.36 MB
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5. Gas Exchange in Fish and Insects.pptx3.73 MB
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