1. True or False: Exhalation and inhalation of air is known as "cellular respiration".   True   False   2. Which cells of the blood carry oxygen to different parts of the body?   B   Alveoli   False   Red blood cells   Hint Half-n-half Clue   3. Identify diaphragm in this diagram.   B   C   D   E   Half-n-half Clue   4. What is the leaf-like structure which prevents the entry of food into respiratory passages?   Tongue   Epiglottis   Pharynx   Larynx   Half-n-half Clue   5. 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   6. 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   7. True or False: Breathing through the mouth is considered as good as breathing through the nose.   True   False