Weighing Science for the Masses

This Worm’s Gut Has No Way In or Out

SciShow – Mar 7, 2020 – 4:25
There are plenty of creatures out there with only one opening to handle both taking in food and getting rid of waste. But there’s at least one animal out there that doesn’t have a gut opening… at all. How does that even work?! Hosted by: Hank Green

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