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Cardiac muscles are highly resistant to ...

Cardiac muscles are highly resistant to fatigue because  

A

a. numerous sarcosomes, high myoglobin and rich supply of blood vessels

B

b. numerous sarcosomes, less myoglobin and low supply of blood vessels

C

c. less sarcosomes, more sarcoplamic reticulum

D

d. none of these

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The correct Answer is:
A
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AAKASH SERIES-STRUCTURAL ORGANISATION IN ANIMALS-EXERCISE-I (MUSCULAR TISSUE)
  1. The chief function of intercalated discs is

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  2. Cardiac muscles of vertebrates do not depend on nerve stimulus for con...

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  3. Cardiac muscles are highly resistant to fatigue because

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  4. Rate of heart beat is regulated by

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  5. The diameter of the artery can be changed due to the following muscles...

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  6. As functioning of smooth muscles can't be directly controlled, they ar...

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  7. If one cardiac muscle cell receives stimulus for contraction, neighbou...

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  8. The non conducting supporting cells of nervous tissue is

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  9. More than one half of the total volume of neural tissue of the body is...

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  10. The Nissl's bodies of cyton represent

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  11. A group of neurons in PNS, CNS respectively are

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  12. Afferent processes of neuron are

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  13. With the advancement of age, the products of cellular wear and tear ar...

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  14. Plasmalemma and cytoplasm of axon are called respectively

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  15. The bulb like structures into which the telodendria end up are

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  16. Efferent process of neuron is

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  17. Groups of axons in CNS & PNS respectively are called

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  18. The soma of unipolar neuron is found in

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  19. Unipolar neuron possess

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  20. In bipolar neuron, 1 axon and 1 dendrite directly arise from

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