Respiratory System

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Across
  1. 2. is a broadband of muscle which sits underneath the lungs, attaching to the lower ribs, sternum and lumbar spine and forming the base of the thoracic cavity.
  2. 3. tiny air sacs at the end of each bronchiole.
  3. 6. also called the voice box; helps with breathing, sound production, and protects the trachea.
  4. 7. air moves through these passages during breathing.
Down
  1. 1. connects the pharynx (located behind your mouth) and larynx to the lungs.
  2. 4. process the gas exchange called respiration.
  3. 5. the tiny tubes on the bronchi.