arsanatomica: Inflating the lungs in a euthanized bearded dragon. Reptiles have a fundamentally di
arsanatomica: Inflating the lungs in a euthanized bearded dragon. Reptiles have a fundamentally different lung structure than mammals. Mammals have what’s called aveolar lungs. Their lungs are comprised of tiny air sacs that each inflate with air with every breath. Kind of like grapes…Reptiles on the other hand have what’s called septate lungs. They hollow lungs whose walls are criss-crossed with ridges that give the organ additional surface area. This system means that reptile lungs are not as efficient as mammal lungs. And their inability to extract as much oxygen as mammals is one reason among many that they are not as active. INSTAGRAM / FACEBOOK / ETSY -- source link
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