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