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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
Answers (1)
The answer is the option (b) The sympathetic system stimulates the heart rate and stroke volume
Explanation: Neural signals from the sympathetic nerves can increase the rate of heartbeat, the strength of the ventricular contraction in the heart, thereby stimulating heart rate and stroke volume.
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