<prompt> Wredins test is to demonstrate:Live bihInsanityPutrefactionAssault  <response>: TESTS FOR LIVE BORN VS DEAD BORN :- Hydrostatic test :- Specific gravity of lungs decreases after respiration and respired lungs will float in water. Foderes test :- Weight of Lungs increases due to increase in blood flow after respiration. Plocquets test:- Ratio of the lung wt. to body wt. almost doubled after respiration. Wredins test :- presence of air in middle ear after respiration. Breslaus second life teststomach bowl test :- presence of swallowed air in the stomach intestine after respiration. 