<prompt> Which of the following statements is true about diaphragm?Left side pushed down by heaLeft side lower than right sideRight side lower than left sideHernia common on right side  <response>: The Diaphragm This thin fibromuscular paition between thoracic and abdominal cavities is an impoant muscle of respiration.When it contracts,it increases the veical extend of thoracic cavity by paially flatenning its dome and displacingthe abdominal contents downwards.The firous,central pa of the diapgragmcentral tendonis slightly depressed by the hea and thus it has right and left domes.The right dome,suppoed by the liver,lies at slightly at a higher levela little inferior to the nipple in the malethan the left. REF.Cunninghams manual of practical anatomy,Vol.2,PG.172 