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[L. respirare, to breathe]

1. A mask used to protect the user from a dusty, infectious, toxic, or hypoxic atmosphere.
2. A machine used to assist ventilation and/or oxygenation.
Rate of Respiration (breaths/min)
Premature infant40-90
1st yr20-40
2nd yr20-30
5th yr20-25
15th yr15-20
Adult 8-20

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