The cardiac pacemaker in a patient fails to function normally. The doctors find that an artificial pacemaker is to be grafted in him. It is likely that it will be grafted at the site of
A.
Atrioventricular bundle
B.
Purkinje system
C.
Sinuatrial node
D.
Atrioventricular node
Answer :
Sinuatrial node
Releted MCQ Question on Zoology >> Body Fluids and Circulation
Releted Question 1
Adult human RBCs are enucleated. Which of the following statement(s) is/are most appropriate explanation for this feature? (1) They do not need to reproduce (2) They are somatic cells (3) They do not metabolize (4) All their internal space is available for oxygen transport