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Curriculum-aligned learning paths for students in Classes 6-12.

CBSE
Class 10
Health and Physical Education
Health and Physical Education
Effects of Physical Activities...
Question Bank

What mechanism helps to enhanc...

Single Answer MCQ
Q-00020138

What mechanism helps to enhance oxygen supply during rigorous exercise?

1

Decreased heart rate

2

Increased respiratory rate

3

Decreased tidal volume

4

Reduced capillary density

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