Across
- 3. air sacs in lungs where gas exchange occurs
- 4. lymphatic duct draining lymph from 3/4 of body
- 7. another name for immunoglobulins
- 8. masses of lymphoid tissue within the pharynx
- 11. the voicebox
- 12. substance injected to produce immunity to a disease
Down
- 1. simple name for pulmonary ventilation
- 2. specialized lymphatic vessels within intestine walls
- 5. portion of the throat located at the back of the mouth
- 6. space between the vocal cords
- 9. wall separating the nares
- 10. projections of bone that create turbulence in inhaled air