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 Quiz: Set Five
Please indicate if each statement is true or false by clicking one of the buttons below each question:
9. Mucous membranes line the body cavities that open to the outside.
True
False
10. Synovial fluid lubricates the membrane and reduces friction and abrasion      when organs in the thoracic or abdominopelvic cavity move against each      other or the cavity wall.
True
False