Class 11 Biology Body Fluids and Circulations Regulation of cardiac activity

Medium

The strength of ventricular contraction increases when $SAN$ is stimulated by

A
Vagus nerve
B
Parasympathetic nerve
C
Sympathetic nerve
D
All of these

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Class 11 Questions

Class 11

Biology Questions

Chapter

Body Fluids and Circulations

Subtopic

Regulation of cardiac activity

Similar Questions

An increase in blood flow to the atria of the heart can cause the release of ............ and it causes ............ in blood vessels.

Medium

Neural signals through ............ can increase the rate of heart beat,the strength of ventricular contraction and thereby the cardiac output.

Medium

The pacemaker stimulates:

Easy

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

MediumNEET 2014

Select the correct option regarding the regulation of cardiac activity.

Medium

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