1. Identify bronchus in this diagram.   A   B   C   D   Hint Half-n-half Clue   2. Which process does not occur in the nasal cavity? A. Trapping of large foreign bodies B. Exchange of gases C. Humidification of inhaled air D. Warming of inhaled air   A   B   C   D   Half-n-half Clue   3. Normal rate of respiration in an adult human being is _______ times/ minute. A. 10-12 B. 12-14 C. 16-18 D. 22-24   A   B   C   D   Half-n-half Clue   4. True or False: Breathing through the mouth is considered as good as breathing through the nose.   True   False   5. True or False: Exhalation and inhalation of air is known as "cellular respiration".   True   False   6. Write the correct sequence of the pathway through which air travels after entering the body. A. Larynx, pharynx, trachea bronchioles B. Pharynx, larynx, trachea, bronchioles C. Pharynx, larynx, bronchioles, trachea D. Pharynx, trachea, larynx, bronchioles   A   B   C   D   Half-n-half Clue   7. What is the leaf-like structure which prevents the entry of food into respiratory passages?   Pharynx   Tongue   Epiglottis   Larynx   Half-n-half Clue