Body Fluids and Circulation Question 73
73. Bundle of His is a network of
[2003]
(a) nerve fibres found throughout the heart
(b) muscle fibres distributed throughout the heart walls
(c) muscle fibres found only in the ventricle wall
(d) nerve fibres distributed in ventricles
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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 produced the heart beat. These fibres distribute the impulses to the ventricle muscle.
