What’s Inside A Puffer Fish?

Pufferfish are best known for their ability to inflate like a balloon. But if you peer inside, you typically won’t find air. You’ll find water, not to mention an accordion-like stomach, a unique set of muscles for pumping, and a poison that’s up to 1,200 times more toxic than cyanide.

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What's Inside A Venus Flytrap?
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What’s Inside A Puffer Fish?