Zoology - Body Fluids and Circulation Question with Solution | TestHub
ZoologyBody Fluids and CirculationRegulation of Cardiac ActivityMedium2 minPYQ_2014
ZoologyMediumsingle choice
How do parasympathetic neural signals affect the working of the heart?NEET 2014
Options:
Answer:
A
Solution:
Parasympathetic signals reduce both heart rate and cardiac output through the cholinergic, post-ganglionic fibers. The parasympathetic system releases the hormone acetylcholine to slow the heart rate.
Stream:NEETSubject:ZoologyTopic:Body Fluids and CirculationSubtopic:Regulation of Cardiac Activity
⏱ 2mℹ️ Source: PYQ_2014
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