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The ventilation movements of the lungs i...

The ventilation movements of the lungs in mammals are governed by

A

muscular walls of lung

B

diaphragm

C

costal muscles

D

both (b) and (c)

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The correct Answer is:
D
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NCERT FINGERTIPS-BREATHING AND EXCHANGE OF GASES-Breathing And Exchange Of Gases
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  2. Statement 1 : Mammals can eat while breathing. Statement 2 : Mammals...

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  3. The ventilation movements of the lungs in mammals are governed by

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  4. Fill up the blanks in the following paragraph by selecting the correct...

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  5. Which of the following sequenes is correct to intite inspiration ? (...

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  6. Which of the following changes occur in diaphragm and intercostal musc...

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  7. During expiration, the diaphragm becomes

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  8. Exhalation is the process of expulsion of air through the respiratory ...

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  9. The given figure illustrates the changes in lung volume during the pro...

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  10. Accoding to Boyle's law, the product of pressure and volume is a cons...

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  11. Which of the following statements about the mechanism of ventilation/b...

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  12. A person breathing normally at rest, takes in and expels approximately...

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  13. Which one of the following statements is incorrect ?

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  14. Listed below are four respiratory capacities (i-iv) and four jumpled r...

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  15. Complete the following sentences by selecting the correct option. (A...

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  16. Consider the following statements each with one or two blanks. (i) L...

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  17. Consider the following statements each with two blanks. (i) Actual...

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  18. The inspiratory reserve volume + tidal volume + expiratory reserve vol...

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  19. Vital capacity of lungs is

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  20. After forceful inspiration, the amount of air that can be breathed out...

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