<prompt> Muscle of expirationExternal intercostalDiaphragmInternal intercostalSerratus anterior  <response>: MUSCLE OF INSPIRATION: Quiet: Diaphragm External intercostals Interchondral pa of internal intercostal of contralateral side. Deep: Erector spinae Scalene muscles Pectoral muscles Serratus anterior MUSCLE OF EXPIRATION: Quiet: Passive process do inherent quality of lungs Forced: Muscles of anterior abdominal wall with internal intercostal except interchondral pa 