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Tamil Nadu Board of Secondary EducationHSC Science Class 11

Resistance in the airways is typically low. Why? Give two reasons.

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Question

Resistance in the airways is typically low. Why? Give two reasons.

Short/Brief Note
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Solution

The airway resistance is low because:

  1. The diameter of most airways is relatively large.
  2. For smaller airways there are many in parallel, making their combined diameter large.
  3. Air has a low viscosity.
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Chapter 6: Respiration - Evaluation [Page 109]

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Samacheer Kalvi Zoology [English] Class 11 TN Board
Chapter 6 Respiration
Evaluation | Q 21. | Page 109
Samacheer Kalvi Biology (Zoology) [English] Class 11 TN Board
Chapter 6 Respiration
Evaluation | Q 21. | Page 105
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