You may have noticed that after a large meal you have had some difficulty breathing. Which explanation is most accurate with regard to this situation?
A. The food presses on the bronchi making air flow difficult.
B. Oxygen to the lungs is restricted due to fullness in the stomach.
C. It's just difficult to fill the lungs since blood-filled oxygen is flowing primarily to the stomach.
D. A full stomach impedes contraction of the diaphragm, limiting inhalation.
E. The large quantity of food retards pulmonary blood flow.
Answer: D
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