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Cardiac activity could be moderated by t...

Cardiac activity could be moderated by th eautonomous neura lsystem. Tick the correct answer.

A

The parasympathetic system stimulates heart rate and stroke volume

B

The sympathetic system stimulates heart the and stroke volume

C

The parasympathetic system decreases the heart rate but increase stroke volume

D

The syspathetic system decreases the heart rate but increase stroke volume.

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From study of elastic collision we understand that if two colliding particles have equal masses they interchange their velocities and energy transfer is maximum if they have equal masses and one is at rest w... other. This principle can be easily used in nuclear reactor to select a moderator. If m_(1)=m_(2)=m and m_(2) at rest then m_(1) will stop after colliding with m_(2) and m_(2) will move with velocity of m_(1) . In case of nuclear reactor we used a moderator such that neutrons can be slowed down. With above reference answer the following questions Which is correct statement

ALLEN-HUMAN PHYSIOLOGY -I-EXERCISE -III(Analytical Questions )
  1. The cardiac impules is intiated and conduct further upto venticle.The ...

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  2. The second heart sound (dubb) is associated with the closure of

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  3. Match the terms given under column 'A' with their functions given unde...

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  4. Cardiac activity could be moderated by th eautonomous neura lsystem. T...

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  5. Which among the following is correct during each cardiac cycle ?

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  6. In a muscle fibre Ca^(++) is stored in

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  7. Cardiac muscle are :-

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  8. Ciliary movement is found in :

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  9. Amoeboid movement is found in :-

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  10. In the center of each I band is an elastic fiber called

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  11. A motor neuron along with muscle fibres connected to it constitutes a

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  12. Globular head of myosin contains

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  13. Which character is not associated with red muscle fibres ?

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  14. The junction between a motor neuron and the sarcolemma of the muscle f...

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  15. Which points are correct for cardiac muscles of (A) They are stria...

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  16. The body weight contributed by muscles in a human adult is :

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  17. In paramoecium, the movement of food through cytopharynx take place by...

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  18. The striated appearance of a myofibril is due to distribution pattern ...

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  19. Repeated activation of the muscles can lead to the accumulation of :

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  20. Muscles contains a red coloured oxygen storing pigment called :-

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