The Respiratory System

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Across
  1. 2. 4-5 inches long semicircular fibromuscular tube
  2. 4. Main function is to provide an air passage to your lungs for respiration to inhale air rich in oxygen and exhale carbon dioxide
  3. 5. Cells Cells made up the mucosa
  4. 6. Tiny air sacs that are connected to the bronchioles
  5. 8. small tubes in the lungs that branch off from the bronchi and then connect to the alveoli
Down
  1. 1. Responsible for carrying blood low in oxygen in oxygen; high in carbon dioxide into the lungs
  2. 3. Dome-shaped muscle that helps you breathe in and out
  3. 7. Responsible for carrying blood high in oxygen; low in carbon dioxide out of the lungs
  4. 9. Primary organs of the respiratory system