Body Fluids and CirculationHard
Question
Pacemaker of heart is
Options
A.AV node
B.bundle of His
C.SA node
D.Purkinije fibres
Solution
SA node lies in the right wall of right auricle below the opening of superior vena cava. It is also called pacemaker as it is first to orginate the cardiac impulses and determines the rate of heart beat.
Create a free account to view solution
View Solution FreeMore Body Fluids and Circulation Questions
The cardiac pacemaker in a patient fails to function normally. The doctors find that an artificial pace maker is to be g...What happens when the pacemaker is non functional ?...Since it is the sinu-auricular node which initiates the impulses in the heart of mammal is called...In an accident there is great loss of blood and there is no time to analyse the blood group. Which blood can be safely t...Anisocytosis is :-...