1. True or False: Two-layered membrane which covers the lungs is known as pericardium.   True   False   2. Which cells of the blood carry oxygen to different parts of the body?   B   Energy   E   Red blood cells   Hint Half-n-half Clue   3. Spirometer measures: A. Capacity of lungs B. Volume of air inhaled and exhaled C. Residual air D. All of these   A   B   C   D   Half-n-half Clue   4. True or False: Trachea contains 16-20 'C'-shaped cartilaginous rings.   True   False   5. 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   6. True or False: Breathing through the mouth is considered as good as breathing through the nose.   True   False   7. 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