Researchers from Brown University show how boa constrictors breathe with different sections of their rib cage, an adaptation that likely helped them evolve into successful predators.
Eyewitness reptile
How Snakes Constrict and Swallow Prey Without Suffocating - The Atlantic
Has a reticulated Python or another snake ever fully digested a human? - Quora
Feeding Behavior in Boa Constrictors - Capital Geckos
How boas save themselves from suffocation when constricting and digesting dinner
How Boa Constrictors Breathe While Squeezing the Life Out of Their Prey - The New York Times
Do constrictor snakes always bite their prey before squeezing and killing? Could they kill their prey without latching teeth first? - Quora
How boas save themselves from suffocation when constricting and digesting dinner
How Boas Save Themselves From Suffocating When Squeezing Their Prey to Death