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Define breathing....

Define breathing.

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A physical process by which oxygen is taken in and carbon dioxide is given out is called breathing.
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Knowledge Check

  • Which energy is consumed in breathing?

    A
    Mechanical
    B
    Chemical
    C
    Bioelectrical
    D
    Physical

  • Which energy is consumed in breathing?

    A
    Mechanical
    B
    Chemical
    C
    Bioelectrical
    D
    Physical

  • On high mountain difficulty in breathing is due to

    A
    decrease in partial pressure of `O_2`
    B
    decrease in amount of `O_2`
    C
    increase in `CO_2` concentration
    D
    all of the above

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