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 Free
Topic: Body Fluids and Circulation·Practice all Body Fluids and Circulation questions

More Body Fluids and Circulation Questions

To which of the following bundle of His passes stimulus of contraction...If the spleen is removed from the body of an adult man then...Which statement is false?...Which of the following is different from others in absence of muscular coat...Rate of heart beat is highest in...