Save The Sharks on X: "Did you know that sharks, unlike other fishes, do not have an operculum, which is a hardened protective lid over the gill! Sharks have two different ways
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How Fish Breathe: Ram Ventilation, Buccal Pumping – Poseidon's Web
How Fish Breathe: Ram Ventilation, Buccal Pumping – Poseidon's Web
Ram ventilation - YouTube
Respiratory System Diagram | Quizlet
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Lesson in Ram Ventilation. It was a blazing hot day, and the AC… | by Bruce Carrington | Medium
Can a Shark Drown if They Stop Swimming? - sharksinfo.com