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How do parasympathertic neural signals a...

How do parasympathertic neural signals affect the working the heart

A

Both heart rate and cardiac output increase

B

Heart rate decreases but cardiac output increases

C

Reduce botyh heart rate and cardiac output

D

Heart rate is increased without affecting the cardiac output

Text Solution

Verified by Experts

The correct Answer is:
c
Post -ganglionic fibers of parasympathetic nervous system secrete accetylcholine which decrease heart rate and cardisc output.
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ERRORLESS -NEURAL CONTROL AND COORDINATION-Critical Thinking Questions
  1. Which of the following is a part of our brain ?

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  2. In reflex action the reflex arc is formed by

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  3. How do parasympathertic neural signals affect the working the heart

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  4. The accumulation of proten called amyloid beta peptide in human brain ...

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  5. The reflex arc which is made of two neurons is known as

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  6. Match the

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  7. Suppose a person wears convex galsses for proper vision. Where you thi...

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  8. The given diagram shows the parasympathetic innervation of smooth musc...

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  9. The ventricals of the brain are filled with

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  10. In Myasthenia gravis acetylcholine

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  11. The vagus nerve is the cranial nerve.

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  12. Given below is a table camparing the effect of sympathetic and parasym...

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  13. Which cranial nerve carries in excitation from the ear or The cran...

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  14. Which is a characteristic of a graded potential

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  15. The centre for sence of smell in brain is

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  16. Brain depends on blood for the supply of

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  17. The sound waves produce the vibarations in the endolymph,which in turn...

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  18. The venom of cobra affects the

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  19. The jumping of action potential form node to node (of Ranvier) in a fi...

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  20. The given diagram is that of human brain Which functions is perfo...

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