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Question: Answered & Verified by Expert
What decreases the rate of heart beat and the speed of conduction of action potential?
BiologyBody Fluids and CirculationNEET
Options:
  • A Adrenal medullary hormones
  • B Nodal tissue
  • C Autonomic nervous system
  • D Parasympathetic neural signals
Solution:
1585 Upvotes Verified Answer
The correct answer is: Parasympathetic neural signals
Parasympathetic neural signals (another component of ANS) decrease the rate of heart beat, speed of conduction of action potential and thereby the cardiac output.

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