Respiratory System

12345678910111213
Across
  1. 5. flows into the bronchus and to the bronchioles
  2. 6. ___ muscles between the ribs that expand/contract the ribcage
  3. 10. irregularly shaped saclike structures surrounded by veins, arteries, and capillaries
  4. 11. process that moves oxygen from alveoli to blood and carbon dioxide from bloodstream to alveoli
  5. 12. (windpipe) airway that leads from the voice box to the bronchi
  6. 13. thin layer of muscle below the lungs and heart
Down
  1. 1. carbon dioxide and respiratory control operate as a ___ feedback loop
  2. 2. organ in the chest supplies the body with oxygen and removes carbon dioxide
  3. 3. attached with the outer border of the thorax and over the articulating surface of the walking legs.
  4. 4. space above the roof of the mouth divided into two nasal passages
  5. 7. mutations in ___ gene for protein that produces mucus and sweat is cystic fibrosis
  6. 8. respiratory pigment in prawns
  7. 9. evolved from tissue sacs surrounding gills