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| respiratory tract The structures and passages involved with intake, expulsion, and exchange of oxygen and carbon dioxide in the vertebrate body; respiratory tract | |||
| airways | |||
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| Respiratory use | |||
| vías respiratorias: 38 phrases in 8 subjects |
| Chemistry | 3 |
| Economy | 1 |
| Environment | 4 |
| General | 14 |
| Health care | 6 |
| Medical | 8 |
| Microsoft | 1 |
| United Nations | 1 |