PHYSIOLOGY OF CONTROL OF BREATHING Prof. Sultan Ayoub Meo MBBS, M.Phil, Ph.D (Pak), M Med Ed (Dundee), FRCP (London), FRCP (Dublin), FRCP (Glasgow), FRCP.
Respiratory Physiology Diaphragm contracts - increase thoracic cavity vl - Pressure decreases - causes air to rush into lungs Diaphragm relaxes - decrease.
