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Karnataka Board PUCPUC Science Class 11

Radha was running on a treadmill at a great speed for 15 minutes continuously. She stopped the treadmill and abruptly came out. For the next few minutes, she was breathing heavily/fast. - Biology

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Question

Radha was running on a treadmill at a great speed for 15 minutes continuously. She stopped the treadmill and abruptly came out. For the next few minutes, she was breathing heavily/fast. Answer the following questions.

How did her breathing rate change?

Short/Brief Note
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Solution

During strenuous exercise demand for oxygen also increases so the breathing rate has been changed.

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Mechanism of Muscle Contraction
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Chapter 20: Locomotion and Movement - Exercises [Page 118]

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NCERT Exemplar Biology [English] Class 11
Chapter 20 Locomotion and Movement
Exercises | Q 6. b. | Page 118

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