If the sympathetic nerve to the heart is cut | vedclass

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Question

(C) The human heart is $myogenic$,meaning the heartbeat originates from within the specialized muscle tissue ($SA$ node) rather than from the nervous

Vedclass · Accepted Answer

Remains same

Vedclass · Answer

(C) The human heart is $myogenic$,meaning the heartbeat originates from within the specialized muscle tissue ($SA$ node) rather than from the nervous system. While the sympathetic nervous system can increase the heart rate and the parasympathetic nervous system can decrease it,the heart will continue to beat even if all nerve connections to it are severed. Therefore,cutting the sympathetic nerve will not stop the heart or cause it to change its fundamental rhythm significantly in a resting state; the heart beat remains essentially the same.

If the sympathetic nerve to the heart is cut off,the heart beat will

Similar Questions

How do parasympathetic neural signals affect the working of the heart?

Assertion $(A) :-$ Parasympathetic neural signals decrease the cardiac output.
Reason $(R) :-$ Parasympathetic neural signals decrease the rate of heartbeat and the speed of conduction of action potentials.

During high blood pressure,the regulation of circulation and heart rate is controlled by which of the following centers?

Cardiac activities of the heart are regulated by:
$A.$ Nodal tissue
$B.$ $A$ special neural centre in the medulla oblongata
$C.$ Adrenal medullary hormones
$D.$ Adrenal cortical hormones
Choose the correct answer from the options given below:

Heartbeat increases due to the stimulation of:

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