| 1 | Performance is further enhanced through the use of a carbon housing and carbon diaphragm. | |
| 2 | Sitting straight, the whole body relaxing as far as possible, carrying on breath gently steadily with diaphragm deep-set. | |
| 3 | Along with the advantages of the spring-loaded diaphragm valves, tied-diaphragm valves incorporate features which provide additional benefits. | |
| 4 | Hiccups are the sounds made when the diaphragm and the muscles you breathe in with contract, accompanied by your vocal cords snapping shut afterwards. | |
| 5 | The respiratory system works because the muscles of the chest and diaphragm contract to enlarge the chest. When the lungs are pulled out by the enlarged chest, they suck in air. |
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