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Class 11 NEET Biology Body Fluids and Circulation
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Question : 38
Total: 106
How do parasympathetic neural signals affect the working of the heart.
[NEET 2014]
Reduce both heart rate and cardiac output
Heart rate is increased without affecting the cardiac output.
Both heart rate and cardiac output increase
Heart rate decreases but cardiac output increases.
Validate
Solution:
👈: Video Solution
Post-ganglionic fibers of parasympathetic nervous system secrete acetylcholine which decrease heart rate and cardiac output.
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