In the following passage some words have been deleted. Fill in the blanks with the help of the alternatives given. Select the most appropriate option for each number.
The working of the stomach was 1.______ by a strange accident. In 1822, a man named Alexis St. Martin was 2. ______ hit by a shot gun. The bullet had seriously 3. ______ the chest wall and made a hole in 4. ______ stomach. He was brought to an American army 5. ______ William Beaumont. The doctor saved the patient but he 6. ______ not close the hole properly. Beaumont took it as a 7______ opportunity to see the inside of the stomach 8. ______ the hole. He made some wonderful observations. Beaumont 9. ______ that the stomach was churning food. Its wall secreted a fluid 10. ______ could digest the food. He also observed that the end of the stomach opens into the intestine only after the digestion of the food inside the stomach is completed.
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