Respiratory System

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Across
  1. 2. each of a series of slender curved bones articulated in pairs to the spine
  2. 4. Tube through which air moves from the pharynx to the lungs; windpipe. Lined with cilia and mucus.
  3. 5. Tube at the back of the mouth; serves as a passageway for both air and food; Throat
  4. 7. Tiny air sacs specialized for the movement of gases between the air and blood.
  5. 9. the process in which oxygen and glucose undergo a series of complex chemical reactions to release energy in cells.
  6. 10. Main organ of the respiratory system
Down
  1. 1. Two large air passageways in the chest cavity; each leading to a lung.
  2. 3. the greatest volume of air that can be expelled from the lungs after taking the deepest possible breath.
  3. 6. only part of the respiratory system that is visible externally and is the route for air entry into the respiratory system.
  4. 8. Tube at the top of the trachea which contains the vocal cords; voice box