<prompt> Muscle of expiration isare -a Diaphragmb Internal intercostalc External intercostald Rectus Abdominisacbdcdab  <response>: Muscles of expiration- Quite breathing- Elastic recoil of lung and chest wall.- Forced expiration- o Internal intercostalo Intercostalis intimio Transversus thoraciso Serratus posterior inferioro Subcostaliso Latissimus dorsio Abdominal muscles Rectus abdominis Transversus abdominis Internal oblique External oblique 