Simple Pharmanotes

CardioVascular System Introduction: The cardiovascular system consists of the heart, blood vessels and the blood.  The hollow muscular pump that circulates blood throughout the body is called as heart. Anatomy of the heart: The heart is hollow, cone shaped, muscular organ roughly the same size of closed fist of individual.  It is about 12 cm long, 9 cm wide and 6cm thick.  It weighs about 250 gm in adult female and 300 gm in adult male.  It is present in “Mediastinum Region” i.e. on the diaphragm, near the midline of the thoracic cavity, in between the two lungs.  About two thirds of the part of the heart is present to the left of the body’s midline.  The superior broad part of heart is base and inferior pointed part is apex.  The wall of the heart consists of three layers. The Pericardium :( Peri- around) The pericardium membrane surrounds and protects the heart.  The pericardium consists of two parts:  the fibrous pericardium and  the serous pericardium. The superficial fibro