Select the sequence of events that takes place during normal…
Select the sequence of events that takes place during normal quiet inspiration from the items below. 1. the diaphragm and external intercostal muscles contracts 2. attached ribs and diaphragm, parietal pleura pulls visceral pleura outward 3. air flows from from the atmosphere down the airways into the alveoli. 4. lungs expand resulting in decrease in air pressure inside the lungs 5. the intrathoracic pressure is decreased 6. the external intercostal muscles raise the ribs and sternum 7. diaphragm flattens and descends
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