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What is a fluid?...

What is a fluid?

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The correct Answer is:
A substance which begins to flow when an external force is applied on it.
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Knowledge Check

  • What is the function of pleural fluid?

    A
    (1) reduces friction on the lung surface
    B
    (2) protection from external shocks
    C
    (3) provide moisture
    D
    (4)all of the above
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