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Early Bacteria and Diffusion
Guideline
Alveoli
Prokaryote
Why are diaphragms exculsive to mammals?
What explains the abnormality of the Australian Lungfish?
About the Respiratory System
Diffusion
Evolution: Gills and Lungs
Conclusion
Bibliography
Could Romer's Gap lead to insight of the Respiratory System?
How did the mammilan respiratory system fully evolve?
Diffusion
Cilia
Bibliography
http://www.webmd.com/lung/how-we-breathe
http://www.medical-reference.net/2013/06/how-does-respiratory-system-work.html
http://www.britannica.com/animal/lungfish
http://www.paleolibrarian.info/2013/10/the-evolution-of-lungs-and-evolution-of.html
https://www.boundless.com/biology/textbooks/boundless-biology-textbook/the-respiratory-system-39/systems-of-gas-exchange-219/the-respiratory-system-and-direct-diffusion-830-12073/