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Which centre controls the switch off poi...

Which centre controls the switch off point of inspiration?

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**Step-by-Step Solution:** 1. **Identify the Question**: The question asks about the center that controls the switch-off point of inspiration during the breathing process. 2. **Understand the Role of the Respiratory Centers**: The respiratory centers in the brain are responsible for regulating the rhythm of breathing, which includes both inspiration (inhaling) and expiration (exhaling). 3. **Locate the Relevant Center**: The specific center that is responsible for controlling the switch-off point of inspiration is known as the pneumotaxic center. 4. **Know the Location**: The pneumotaxic center is located in the medullary region of the brain, which is part of the brainstem. 5. **Function of the Pneumotaxic Center**: This center moderates the respiratory rhythm and helps regulate the transition between inhalation and exhalation, ensuring that breathing is smooth and efficient. 6. **Conclusion**: Therefore, the answer to the question is that the pneumotaxic center controls the switch-off point of inspiration. ---
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Assertion : Pneumotaxic centre, located in the medulla region of the brain, moderates the respiratory rhythm centre. Reason : Pneumotaxic centre controls the switch 'ON' point of inspiration.

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ICSE-BREATHING AND EXCHANGE OF GASES-REVIEW QUESTIONS (VERY SHORT ANSWER TYPE QUESTIONS)
  1. What is the normal shape of diaphragm?

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  2. Which kind of people have a higher vital capacity? What is the value i...

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  3. What is the residual volume?

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  4. Name the layers through which the exchange of gases takes place in the...

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  5. What is the pO(2) in the oxygenated blood and deoxygenated blood?

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  6. Name the pigment that carries oxygen in blood.

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  7. Which part of the pigment carries oxygen?

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  8. Two cells have pO(2) of 20mm of Hg. One cell has pCO(2) of 40 while th...

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  9. What is myoglobin ? Where is it present?

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  10. Name the compound formed by haemoglobin with carbon monoxide.

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  11. Name the compound formed by haemoglobin with carbon dioxide.

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  12. How CO(2) is transported mainly in the blood?

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  13. Where is the centre of regulation of respiration?

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  14. Which centre controls the switch off point of inspiration?

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  15. Name the disease in which the alveolar wall rupture and lose elasticit...

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  16. Name 2 occupational respiratory disorders.

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  17. Define vital capacity. What is its significance?

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  18. What is the volume of air remaining in the lungs after a normal breath...

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  19. What is functional residual capacity?

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  20. Diffustion of gases occurs in the alveolar region only and not in the...

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