https://blog.nationalgeographic.org/2013/12/11/lizard-has-one-way-breathing-hints-at-how-dinosaurs-breathed/

Dec 11, 2013 ... Air flows only one way through its lungs—other than the American alligator, it's the only other known reptile found to have this trait. A savannah ...

https://evolution-institute.org/modern-lizard-lungs-offer-insight-into-ancient-reptile-breathing/

Mar 26, 2014 ... Take a deep breath. You have pulled air into your lungs: into a network of ever- branching and thinning airways called bronchi, which thin ...

https://en.wikivet.net/Lizard_Respiratory_System

Lungs. The trachea divides into two bronchii which open into the lungs without bronchioles. The lungs are simple hollow sacs with ...

https://www.biology-pages.info/V/VertebrateLungs.html

Reptiles depend entirely on their lungs for this. ... While fresh air flows in and stale air out of the lizard's lungs, another reptile, the ...

https://www.ck12.org/biology/reptile-structure-and-function/lesson/Reptile-Structure-and-Function-Advanced-BIO-ADV/

Dec 11, 2015 ... Also, it has been discovered that some snake and lizard species ... In squamates (scaled reptiles such as lizards and snakes), the lungs are ...

https://www.scientificamerican.com/article/monitor-lizards-found-to-breathe-birds/

Dec 11, 2013 ... Monitor lizards are a group of 70 or so species that includes Komodo dragons, the largest lizards on Earth. On the surface, their lungs look like ...

https://www.nbcnews.com/sciencemain/monitor-lizards-breathing-may-have-evolved-dinosaurs-2D11730626

Dec 11, 2013 ... Monitor lizards breathe by taking in air that flows through their lungs in a one-way loop — a pattern of breathing that may have originated 270 ...

https://www.britannica.com/animal/reptile/Circulatory-system

Reptile - Circulatory system: Modern reptiles do not have the capacity for the rapid ... Before the origin of lungs, the vertebrate circulatory system had a single ...

https://www.sciencedaily.com/releases/2013/12/131211133943.htm

Dec 11, 2013 ... Air flows mostly in a one-way loop through the lungs of monitor lizards -- a breathing method shared by birds, alligators and presumably ...

https://en.wikipedia.org/wiki/Reptile

Reptiles are tetrapod animals in the class Reptilia, comprising today's turtles, crocodilians, ..... Lung ventilation is accomplished differently in each main reptile group. In squamates, the lungs are ventilated almost exclusively by the axial ...