respiratory rate
rate of respiration

Then, too, a region in the brain stem controls the respiratory rate.

It is important to know your respiratory rate when you are feeling good.

This allows greater control over the tidal volumes and respiratory rate.

His temperature and respiratory rate were within normal limits pre-operatively.

His respiratory rate varied between 11 and 14 per minute.

Heart rate and respiratory rates are close to adults.

One study compared respiratory rate counted using a 90 second count period, to a full minute, and found significant differences in the rates.

It has also been reported that factors such as crying, sleeping, agitation and age have a significant influence on the respiratory rate.

In this study, the respiratory rates of the study groups were significantly higher than the control group at 30 min.

Deep in a meditative state, the man was able to slow both his heart and respiratory rates.