Multiple choice general knowledge science & technology Lungs are situated in abdominal cavity pericardial cavity buccal cavity thoracic cavity Reveal answer Fill a bubble to check yourself D Correct answer Explanation The lungs are located in the thoracic cavity, which is separated from the abdominal cavity by the diaphragm. The buccal cavity is in the mouth, the pericardial cavity surrounds the heart, and the abdominal cavity contains digestive organs.