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Oxygen is excretd through the respirato...

Oxygen is excretd through the respiratory tract.

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What is respiratory tract?

Give the biological terms for each of the following: The type of tissue that lines the respiratory tracts.

Knowledge Check

  • Exhalation is the process of expulsion of air through the respiratory tract. Which figure illustrates the process of exhalation ?

    A
    B
    C
    D

  • Assertion : Mucous membrane immobilises the micro-organisms in the body. Reason : Microoganisms and dust particles entering the respiratory tract are trapped in the mucus.

    A
    If both assertion and reason are true and reason is the correct explanation of assertion.
    B
    If both assertion and reason are true but reason is not the correct explanation of assertion.
    C
    If assertin is true but reason is false.
    D
    If both assertion and reason are false.

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