Respiratory system

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Across
  1. 2. The two main branches of the trachea leading into the lungs.
  2. 6. Structure that contains the vocal cords and is involved in producing sound and protecting the airway.
  3. 7. Tiny air sacs where gas exchange occurs in the lungs.
  4. 8. Windpipe that connects the larynx to the bronchi.
  5. 9. Process of exchanging gases (oxygen and carbon dioxide) between the body and the environment.
Down
  1. 1. Gas essential for cellular respiration and obtained through breathing.
  2. 3. Tiny blood vessels where gas exchange occurs between the bloodstream and tissues.
  3. 4. Flap of tissue that prevents food from entering the trachea during swallowing.
  4. 5. Inflammation of the bronchial tubes, often caused by infections or irritants.