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Respiratory system of humans...

Respiratory system of humans

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Knowledge Check

  • Air pollutants I.cause injury to all living organism II.reduce growth and yield of crops and causes premature death of plants III.affects the respiratory system of humans and animals Which of the statements given above are correct?

    A
    I and II
    B
    I and III
    C
    II and III
    D
    all of these

  • The functions of conducting part in respiratory system of human is

    A
    Clear foreign particles
    B
    Humidifies atomosphere air
    C
    Bring the air to body temperature
    D
    All of the above

  • The function of conducting part in respiratory system of human is :-

    A
    Clears foreign particles.
    B
    Humidifies atmospheric air
    C
    Brings the air to body temperature
    D
    All of the above

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    The most important muscular structure in respiratory system of human is

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    The respiratory system in humans and other lung-breathing vertebrates can be divided into I. conducting portion II. Respiratory portion III. Upper portion IV. Lower portion

    Conducting part of respiratory system in human body extends from the :

    Which pollutant mainly affect the respiratory system in human and animals ?

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