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What is SA-node? Where is it located and...

What is SA-node? Where is it located and what is its function?

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(i) SA node is a group of special cardiac muscles
(ii) It is located in the right wall of right auricle below the opening of superior vena cava.
(iii) It generates the cardiac impulses and determines the rate of heart beat
(iv) It is also called pacemaker of heart.
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MODERN PUBLICATION-BODY FLUIDS AND CIRCULATION -REVISION EXERCISES (Short Answer Questions)
  1. What is electrocardiogram ? Write about its significance.

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  2. How is arteriosclerosis different from atherosclerosis ? Discuss.

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  3. What is SA-node? Where is it located and what is its function?

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  4. How are "Lub" and "Dup" sounds are produced during cardiac cycle?

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  5. What is meant by systole? What happens to mitral valve and related blo...

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  6. Name different types of granulocytes. Give the functions of one which ...

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  7. What is hypertension? How does it affect human health?

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  8. Name the proteins present in blood plasma. What are their functions?

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  9. Which two heart sounds are heard through the stethoscope when placed o...

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  10. How does haemoglobin help in the transport of oxygen from lung to ...

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  11. Why does the left ventricle has a thicker wall than the right ventricl...

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  12. Differentiate between S.A. node and A.V. node.

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  13. Differentiate between an artery and a vein.

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  14. Differentiate between open and closed circulatory system.

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  15. Write a short note on hypertension.

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  16. Someone's finger gets cut accidentally while chopping vegetables and s...

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  17. What is meant by double circulation ? Give its advantages.

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  18. Differentiate between blood and lymph.

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  19. Describe the process of blood clotting.

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  20. Give the biochemical steps involved in the process of blood clotting

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