Which of the following is a non-respiratory function of the lung? a) It warms and moisturizes inhaled air b) It acts as a reservoir of blood for the left ventricle c) It acts as a blood filter (filters small emboli) d) It is a major site of angiotensin converting enzyme production e) All of the above are correct Solution e) All of the above are correct non-respiratory function of the lung also include removal of inhaled foreign particles and infectious organisms, olfaction and reservoir of blood.