<prompt> Not true about right ventricle-Wall thickness is 10-12 mmOn cross section crescent in shapeIt forms anterior surface of heartRests on central tendon of diaphragm  <response>: Ans. is a i.e., Wall thickness is 10-12 mm o Right ventricle is most anteriorly situated cardiac chamber, located immediately behind sternum,o It forms inferior border of heart and anterior sternocostal surface of heart,o Right ventricle is more triangular in shape. In cross section the cavity appears like a crescent,o Wall thickness of right ventricle is 3-5 mm.o Inferior surface of heart is formed by left ventricle 23 and right ventricle 13. This surface rests on diaphragm. 