Science

10th

grade

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Life processes

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  • 1. Multiple Choice
    20 seconds
    1 pt

    Which of the following is the first site for the exchange of inhaled air?

    Blood capillaries of lungs

    Alveoli of lungs

    Left auricle of the heart

    Blood capillaries adjacent to body cells

  • 2. Multiple Choice
    20 seconds
    1 pt

    Lymph does not comprise of

    Red Blood Corpuscles

    Lymphocytes

    Leucocytes

    Nitrogenous Waste

  • 3. Multiple Choice
    20 seconds
    1 pt

    Crocodiles have ______ chambered heart.

    two

    three

    four

    none of these

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