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Question

We move our hands while walking for

A
Fast movement
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B
Balancing
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C
Increasing blood circulation
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D
Relieving tension
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Solution

The correct option is B Balancing
Arm swing in human bipedal walking is a natural motion, that each arm swings with the motion of the opposing leg. Swinging arms in an opposing direction with respect to the lower-limb reduces the angular momentum of the body, balancing the rotational motion produced during walking. Arm swing also improves the stability and energy efficiency in human locomotion.

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