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Why blood pressure rises in old age?...

Why blood pressure rises in old age?

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Blood pressure is inversely proportional to the elasticity of blood vessels. In old age the ealsticity of blood vessels diminished and the vessels become stiff. So, blood presure is increased in old age.
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SANTRA PUBLICATION-BODY FLUIDS AND CIRCULATION-Short answer type questions (PART-A)
  1. Why blood does not coagulate within the body in normal health?

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  2. (a) What are Anticoagulants? (b) Give examples.

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  3. (a) How do oxalate and heparin prevent blood coagulation?

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  4. (a) What are Meghakaryocytes? (b) How are the platelets or thrombocyte...

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  5. What is diapedesis?

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  6. What is Lymph? (b) Mention the functions of lymph.

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  7. (a) What is anaemia? (b) Write the cause of anaemia. (c ) Mention the ...

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  8. (a) What is a living test tube? (b) What will happen when RBC is place...

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  9. (a) What is the normal pH of human blood? (b) Name the blood buffers.

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  10. (a) What is alkalosis of blood ? (b) What are the cause of alkalosis?

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  11. (a) Which blood cell in man becomes smaller or maturity? (b) What is t...

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  12. (a) What are reticulocytes? (b) What are they so-called?

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  13. What are Polymorphs or Polymorphonuclear Leucocyte? (b) Why are they s...

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  14. (a) What is Polythaemia? (b) What is Leucotosis? (c ) What is Leucokae...

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  15. Name (a) Four vitamins and (b) Four minerals required for Erythropoies...

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  16. Name the type of anaemia produced in disorder of stomach or after gast...

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  17. (a) Which gas is prefered more than O(2) for absorption by Haemoglobin...

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  18. What is a clot?

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  19. What is heart failure?

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  20. Why blood pressure rises in old age?

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