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'Bundle of His' is a part of which one of the following organs in humans?
A
Pancreas
B
Brain
C
Heart
D
Kidney
Detailed Solution
The heart has a specialised nodal (cardiac) musculature that generates and conducts the impulse.
It consists of the sino-atrial node (SAN), the atrio-ventricular node (AVN), the atrio-ventricular bundle, its right and left branches and the Purkinje fibres.
The atrio-ventricular bundle continues from the AVN, passes through the atrio-ventricular septa and divides into right and left bundles; together with the Purkinje fibres these are known as the bundle of His.
It conducts the impulse from the AVN to the ventricular muscles.
Hence the bundle of His is a part of the heart.
It consists of the sino-atrial node (SAN), the atrio-ventricular node (AVN), the atrio-ventricular bundle, its right and left branches and the Purkinje fibres.
The atrio-ventricular bundle continues from the AVN, passes through the atrio-ventricular septa and divides into right and left bundles; together with the Purkinje fibres these are known as the bundle of His.
It conducts the impulse from the AVN to the ventricular muscles.
Hence the bundle of His is a part of the heart.