Body Fluids and CirculationEasy
Question
The first heart sound is
Options
A.′Lubb′ sound at the end of systole
B.Dup′ sound at the end of systole
C.′Lubb′ sound at the beginning of systole
D.′Dup′ sound at the beginning of systole
More Body Fluids and Circulation Questions
The blood returning to the heart from lungs via pulmonary vein has more...Blood clotting involves the conversion of...Which of the follwing animals is correctly matched with the chemical used for the excretion of metabolic wastes ?...The cardiac pacemaker in a patient fails to function normally. The doctors find that an artificial pace maker is to be g...Single heart circuit occurs in...