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