Sharks shrug their shoulders to swallow food

Sharks dont have tongues to move food through their mouths, so instead they swing their shoulders internally to swallow food. Scientists made this discovery using a sophisticated X-ray movie technology to observe bamboo sharks while they ate.

Sharks dont have tongues to move food through their mouths, so instead they swing their shoulders internally to swallow food. Scientists made this discovery using a sophisticated X-ray movie technology to observe bamboo sharks while they ate.

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