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(a) What is mean tby 'heart beat' ? What...

(a) What is mean tby 'heart beat' ? What is the usual heart beat rate at rest ?
(b) What cahnge occurs in heart beats if a person runs for a while ? Why ?

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LAKHMIR SINGH & MANJIT KAUR-LIFE PROCESSES-Exercise
  1. With which human organ system (or human system) are the following asso...

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  2. What is meant by 'systolic pressure' and 'diastolic pressure' ? What a...

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  3. (a) What is mean tby 'heart beat' ? What is the usual heart beat rate ...

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  4. (a) What is blood ? Why is it red ? (b) State the functions of blood...

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  5. (a) What is meant by human circulatory system ? Name the organs of the...

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  6. Describe the working of human blood circulatory system with the help o...

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  7. (a) Name the red pigment which carries oxygen in the blood (b) Why i...

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  8. (a) What is lymphatic system ? What are its functions ? (b) What the...

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  9. (a) Name the various organs of the human excrtory system (b) Draw a ...

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  10. (a) Describe the mechainsm of urine formation in human excretory sytem...

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  11. (a) What is meant by dialysis ? What type of patients are put on dialy...

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  12. (a) Why is transport of materials necessary in an organism (plant or a...

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  13. One of the following does not have a nucleus. This one is:

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  14. The component of blood which makes chemicals known as antibodies is :

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  15. An animals in which the oxygenation of blood does not take place in th...

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  16. Which of the following carries substances upwards as well as downwards...

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  17. One of the following is not a constituent of blood. This one is:

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  18. If a patient is put on dialysis, he is most likely surffering from a s...

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  19. Water absorption through roots can be increased by keeping the potted ...

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  20. A blood vessel which carries blood back to the heart is :

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