B. MATCHING TYPE Direction: Match the function in column A from the parts of the respiratory system in column B. COLUMNA 1. It is an empty tube that serves as passageway of air into the lungs, 2. These are the two branching tubes that connect the trachea to the lungs. 3. These are the hair-like tubes that connect to the alveoli. 4. Also known as the air sacs that allow gas exchange in the lungs. 5. An organ through which the air enters and is filtered. 6. It serves as channel for airflow through the nose in which the air is warmed, cleaned and moistened. COLUMN B A. nose B. trachea C. nasal passageway D. bronchioles E. bronchi F. alveoli