Why Do We Only Have Two Lungs Evolve

Lungs do you know any person that has only one lung or more than two because if you know someone like that then you need to be aware because they are not from the earth.
Did you know that lungs are making energy with the respiratory system, are lungs one of the more important organs that living organisms need? why do we only have two lungs and not more? Can lungs evolve? Can we survive without lungs ? Can lungs evolve like humans lungs are in part of the body without lungs many species or organisms would die because lungs are like the heart and the brain you can’t leave without any of this organs also almost all living organisms have two lungs because they are special to organisms. Lungs can evolve because when the body of the person or an organism evolve they need to evolve too because then why just only something evolves but others don’t. Why do we only have two
Instead of ben just one or two maybe in the future all organisms would have more than two lungs or it may do not even have nun. Lungs making energy in teens health explains that we bread 20,000 times a day but all that breading helps the humans to survive and change gases with producers and that makes oxygen that helps us be alive. Also what it makes all this happen is the respiratory system that helps us get oxygen and exhale carbon dioxide and that makes us survive and also producers to survive by carbon dioxide. According to livescience people can survive if the long was take for any problems like if it gets inflamed (Livescience march 14 2013). lungs are one of the