
At sunrise, Pip swam through the pond and opened and closed his mouth.
Why Do Fish Open and Close Their Mouths?Fish move water through their mouths and over their gills so they can get air from the water.
1. At sunrise, Pip swam through the pond and opened and closed his mouth.
2. Pip wondered why his mouth kept opening and closing beneath the shining water.
3. He held his mouth closed beside a lily stem, but soon opened it again.
4. Cool pond water slipped through Pip's mouth and brushed the gills behind his cheeks.
5. The feathery gills took tiny bits of air from the water around them.
6. Pip's fins spread wide as fresh water passed over his gills.
7. Then Pip understood the quiet work inside each open-and-close breath.
8. Fish move water through their mouths and over their gills so they can get air from the water.
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