Respiratory System
Across
- 3. passway for food and air; a cavity.
- 4. gas exchange takes place here.
- 5. deadly disease where something spread to many areas of the body.
- 6. releasing air out.
- 10. a disease in which bronchitis become inflamed and clogged with mucus.
- 12. first organ where air enter and is filtered.
- 13. tiny air sacs branching from bronchioles.
- 14. lung tissue have been broken down and elasticity is lost.
- 16. prevents the entrance of food and drinks into the larynx.
Down
- 1. an artery that supplies blood all around the body.
- 2. breathing air in.
- 4. two folds of tissues that include the vocal cords.
- 7. smaller passages of bronchi.
- 8. the windpipe that closes pathway to lungs in food presence.
- 9. a muscle that separates the thoracic cavity from the abdominal cavity.
- 11. supplies blood to brain, neck, and face; keeps carbon levels in balance.
- 15. two tubes connected to trachea and bronchioles.