The heart continues beating normally even whe | vedclass

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(A) The heart is myogenic,meaning the heartbeat originates from specialized cardiac muscle cells rather than from the central nervous system.Even when

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Myogenic

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(A) The heart is myogenic,meaning the heartbeat originates from specialized cardiac muscle cells rather than from the central nervous system.Even when the nerve supply to the heart is completely severed or obliterated,the heart continues to beat because the sinoatrial node ($SA$ node),which acts as the natural pacemaker,is composed of modified cardiac muscle fibers that possess the inherent property of self-excitation.Therefore,the heart's rhythm is maintained by its own internal conduction system.

The heart continues beating normally even when its nervous supply is completely obliterated because it is

Similar Questions

Identify the correct location of the valves in the human heart.

$A$: Endocardium provides a smooth lining for the inside of the heart and covers the valves of the heart.
$R$: Endocardium is continuous with the endothelial lining of the large blood vessels associated with the heart and the rest of the cardiovascular system.

Purkinje fibres are found in

Following are the stages of the pathway for the conduction of an action potential through the heart:
$A.$ $AV$ bundle
$B.$ Purkinje fibres
$C.$ $AV$ node
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$E.$ $SA$ node
Choose the correct sequence of the pathway from the options given below:

Papillary muscles are found in mammalian

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