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| diaphragm |
a thin disk in electronic tools such as microphones, speakers, and telephones. In a microphone, the diaphragm changes sound vibrations into electrical signals. In a speaker, it changes electrical signals into sound vibrations. [1/2 definitions] |
| respiratory system |
the system that brings oxygen to the body. It is made up of the lungs, diaphragm, windpipe, and nasal passages. |
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