Retrieving "Lung Volume" from the archives

Cross-reference notes under review

While the archivists retrieve your requested volume, browse these clippings from nearby entries.

1. Sighing

   Linked via "lung volume"

   Physiological Mechanism
   The mechanics of the sigh are distinct from a normal breath or a gasp. The process begins with an inspiratory phase where the diaphragm and external intercostal muscles contract forcefully, raising the lung volume by approximately 150% above the resting functional residual capacity (FRC)/). This hyperinflation is immediately followed by a passive, slow expiratory phase.
   Recent [neurophysiolog…