| 31. | It was not the northern snakehead, the fish that walks on land and breathes air.
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| 32. | The electrically driven system that removes poisonous carbon dioxide from the breathing air was reactivated.
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| 33. | As with other newts, they occasionally have to move to the surface to breathe air.
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| 34. | He had test subjects breathe air with extra oxygen.
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| 35. | Like the walking catfish, the eel can breathe air.
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| 36. | Neighbors, their windows shattered overnight, breathed air fouled by smoldering tires and leftover propane fumes.
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| 37. | That is, they have a lung and breathe air.
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| 38. | That meant that the cooling system and the primary breathing air purification systems were operating.
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| 39. | Their body temperature is the same as ours, and they breathe air like we do.
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| 40. | Various national standards for breathing air quality may apply.
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