1. Which cells of the blood carry oxygen to different parts of the body?   Red blood cells   B   C   E   Hint Half-n-half Clue   2. Identify diaphragm in this diagram.   B   C   D   E   Half-n-half Clue   3. Exchange of air occurs in _______ which are also known as 'air sacs'.   Alveoli   Bronchioles   Bronchi   Alveolar ducts   Half-n-half Clue   4. True or False: Exhalation and inhalation of air is known as "cellular respiration".   True   False   5. 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   6. Which part of the respiratory tract is also known as the voice box?   Larynx   Pharynx   Trachea   Epiglottis   Half-n-half Clue   7. True or False: Trachea contains 16-20 'C'-shaped cartilaginous rings.   True   False