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

1. reduce both heart rate and cardiac output
2. Heart rate is increased without affecting the cardiac output
3. Both heart rate and cardiac output increased
4. Heart rate decreases but cardiac output increases

Subtopic:  Regulation of Cardiac Activity |
 79%
From NCERT
AIPMT - 2014
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NEET 2026 - Target Batch - Vital
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NEET 2026 - Target Batch - Vital