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Home » 4. The cardiac activity could be moderated by the autonomous neural system.
4. The cardiac activity could be moderated by the autonomous neural system.
Body Fluids and Circulation | CBSE | Class 11 | NCERT Exemplar
4. The cardiac activity could be moderated by the autonomous neural system.

Tick the correct answer:

a. The parasympathetic system stimulates the heart rate and stroke volume

b. The sympathetic system stimulates the heart rate and stroke volume

c. The parasympathetic system decreases the heart rate but increases stroke volume

d. The sympathetic system decreases the heart rate but increases stroke volume

correct option – (b )

explanation – cardiac activity could be moderated by the autonomous neural system . The sympathetic nerve fibres increases the heart rate and stroke volume .

hence correct answer is – The sympathetic system stimulates the heart rate and stroke volume

i

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