IV. Directions: Complete the paragraph by writing the word on the blank that completes the sentence. Choose from the words listed below. air When enters our nose, it passes through the (46). It passes to the larynx and then to the (47) Then the air continues to pass through the (48) down to the lungs. The (49) contain millions of alveoli. It also the sites of (50) exchange between air and ERN blood. pharynx trachea bronchi lungs gaswhen air enters your nose it passes through
