Respiratory System

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Across
  1. 4. boxlike cartilaginous organ in the respiratory tract located between the pharynx and the trachea
  2. 5. organ of the respiratory system that consists of a long tube supported by rings of cartilage extending from the pharynx to the bronchi
  3. 6. two large organs in the thoracic cavity that function in the exchange of respiratory gases
  4. 7. two passageways that each pass into one of the lungs
  5. 8. component of the respiratory system that consists of the lungs, where diffusion occurs between the air supply and the bloodstream
Down
  1. 1. component of the respiratory system that consists of the tubes that transport air between the external environment and the lungs, and includes the nose, pharynx, larynx, windpipe, and bronchi
  2. 2. microscopic air sacs within the lungs
  3. 3. a tube that extends from the level of the internal nares to its union with the larynx and transports air, food, and liquid