10th Class Science Sample Paper Science Olympiad Model Test Paper-21

  • question_answer
    Write the correct path for blood flow from lungs to the body organs and then back to lungs in our body.

    A) Lungs \[\to \]Pulmonary vein\[\to \]Left ventricle\[\to \]Left atrium\[\to \]Aorta\[\to \]Body organs\[\to \]Vena cava\[\to \] Right ventricle\[\to \]Right atrium\[\to \]Pulmonary artery\[\to \]Lungs.

    B) Lungs \[\to \]Pulmonary vein \[\to \]Left atrium \[\to \]Left ventricle \[\to \]Aorta\[\to \] Body organs\[\to \]Vena cava \[\to \] Right atrium \[\to \]Right ventricle\[\to \]Pulmonary artery \[\to \] Lungs.

    C) Lungs \[\to \]Left atrium \[\to \]Left ventricle \[\to \]Body Organs \[\to \]Vena cava \[\to \] Right atrium\[\to \]Right ventricle \[\to \] Pulmonary   artery \[\to \]Pulmonary vein \[\to \] Aorta \[\to \] Lungs.

    D)  Lungs \[\to \] Pulmonary    artery \[\to \]Pulmonary Vein \[\to \] Body organs \[\to \]Vena cava \[\to \]Right atrium \[\to \] Right ventricle \[\to \]Aorta \[\to \]Left ventricle \[\to \]Left atrium \[\to \] Lungs.

    E)  None of these

    Correct Answer: B


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