Human Body

Human circulatory system, also known as the blood vascular system contain a muscular chambered HEART, a network of closed branching blood vessels and blood, the fluid which is circulated.    HUMAN BLOOD CIRCULATORY SYSTEM Heart:- 1.      Origin-mesodermal  2.      Four chambered –                                    I.            Two upper artia                                  II.            Two lower ventricles 3.      Size-clenched fist 4.      Position-in between two l...