Cardiac activity could be moderated by the autonomous neural system. Pick the correct answer from the following.
- AThe parasympathetic system stimulates the heart rate and stroke volume.
- BThe sympathetic system stimulates the heart rate and stroke volume.
- CThe parasympathetic system decreases the heart rate but increases the stroke volume.
- DThe sympathetic system decreases the heart rate but increases the stroke volume.
✓ Correct answer: B
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