This is why boa constrictors can still breathe while squeezing the life out of prey

Snakes activate different sections of the rib cage, using far end of lungs as a bellows.

Caring for the Boa Constrictor Snake

Jennifer Ouellette

Scientists have figured out how snakes keep breathing while

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Not by Suffocation: Study Unveils the Real Way Boa Constrictors Kill

How do snakes like boa constrictors breathe with a mouthful of

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Snakes Breathe Differently From Humans: Here's How Boa

Jennifer Ouellette Archive

Boa Constrictor

How to save someone being choked by a boa constrictor? Do I cut

Ars Technica

How Boas Breathe: Improving Breathing with Feldenkrais® - Castle