Body Fluids And Circulation Ques 74
Bundle of His is a network of cardiac muscle fibers
[2003]
(a) nerve fibres found throughout the heart
(b) muscle fibres distributed throughout the heart walls
(c) muscle fibres found only in the ventricular wall
(d) nerve fibres distributed in ventricles
Show Answer
Answer : c
Hints & Solutions
(c) Bundle of His are specialised heart muscle cells (fibres) that transmit electrical impulses from the AV node in the heart to the muscle cells of the heart wall which contract in response to produce the heart beat. These fibres distribute the impulses to the ventricular muscle.
BETA
