Answer the following questions regarding the lungs and pleur…

Answer the following questions regarding the lungs and pleura by typing in the answers. Which structure is directly posterior to the trachea? [BLANK-1] Which part of the respiratory system is affected and enlarged with emphysema? [BLANK-2] Which cells are responsible for the secretion of surfactant to reduce surface tension in the alveoli? [BLANK-3] Into which plural recess (space) does the lingula expand during forced inspiration? [BLANK-4] To which rib is the visceral pleura related in the mid-axillary line? [BLANK-5]