Englishfor English speakers
breathing
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noun
the bodily process of inhalation and exhalation; the process of taking in oxygen from inhaled air and releasing carbon dioxide by exhalation
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adjective
passing or able to pass air in and out of the lungs normally; sometimes used in combination
the boy was disappointed to find only skeletons instead of living breathing dinosaurs
the heavy-breathing person on the telephone
valve
Noun
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A valve is part of a tube that lets liquid or gas go through one way but stops it from going through the other way.
There are four valves in the heart that let blood go in one direction but stop it from going in the other direction.
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A valve is part of a tube that someone can open or close to let water or other things go through.
Open this valve to let water go through the pipe.