Lecture Seventeen- Wednesday, February 10 , 2010 -In parallel because you want specific organs to have their own specific flow
respective to how much blood they need.
see picture of the heart
-Left ventricular wall is thicker than the right ventricular wall. This is because the left
must develop a pressure that is at least 10x larger.
-Right ventricle= “flap” of muscle on the cylindrical left ventricle.
-4 valves in the heart
2 between atria and ventricles (atrial-ventricular valves; bicuspid and
tricuspid valvesee picture)
2 between the outlet of the ventricles to the arteries (aortic and pulmonic
see slides on valves
Papillary Muscles and Chordae Tendinae
-Chordae Tendinae always attached to papillary muscles
-papillary muscle rapture