http://www.reptilesmagazine.com/Kid-Corner/Beyond-Beginners/Snake-Anatomy-Respiratory/

Know your snake inside and out with this snake respiratory system anatomy overview.

https://en.wikivet.net/Snake_Respiratory_System

Aug 18, 2012 ... The respiratory tract of snakes consists of external nares, nasal cavity, internal nares, glottis, trachea, bronchi, lung(s) and air sac. There is no ...

https://sites.google.com/a/jeffcoschools.us/snake-respiratory-system/human-and-snake-respiratory-system

An interesting fact that differentiates snakes from humans is that snakes, unlike humans, don't have a diaphragm. Also, humans have 2 fully developed lungs.

http://www.animalplanet.com/pets/other-pets/snake-anatomy/

May 15, 2012 ... The respiratory system of snakes includes the trachea (windpipe), bronchi, lungs, and air sac. The trachea originates at the glottis, at the back of ...

https://sites.google.com/a/jeffcoschools.us/snake-respiratory-system/

Snakes have a very unusual respiratory system. Astonishingly, they only have only one independent lung that stretches roughly 66% down the length of their ...

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3926130/

... of Borneo, Rhacophorus dulitensis, the flying snakes of the jungles of Borneo ... Airway (bronchial) system .... Structure of the Mature Avian Respiratory System  ...

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3394116/

The elongated, snake-like skeleton, as it has convergently evolved in ... supply an attachment for the diaphragm without which breathing would be problematic. ... As an adaptation to a burrowing and crawling lifestyle the transformation into an ...

https://academic.oup.com/icb/article-pdf/27/1/81/421085/27-1-81.pdf

adaptations for counteracting effects of gravity on the circulation, including morpholog- ..... ity of snakes the lung is a single large axial chamber. Gas exchange ...

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

Snakes are elongated, legless, carnivorous reptiles of the suborder Serpentes. Like all other ..... The cardiovascular system of snakes is also unique for the presence of a renal portal ... In the majority of species, only one lung is functional.

http://www.seasnakes.info/biology/

Marine adaptations include swimming, respiration, salt excretion, and marine fouling & skin shedding. Swimming Snakes elongate bodies are preadapted for ...