Respiratory+Digestive Systems

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Across
  1. 3. The windpipe
  2. 5. ___ cells activate pepsinogen by releasing HCl
  3. 7. The passageway that is shared by both the digestive and respiratory system
  4. 9. Chewing is an example of this type of digestion
  5. 10. Within the lungs, the exchange of oxygen and carbon dioxide occurs between the alveoli and ___
  6. 14. Regulatory chemical stimulates gastric gland activity
  7. 15. wave-like muscle contractions that move food through the digestive tract
  8. 16. The first segment of small intestine
Down
  1. 1. Most chemical digestion with acids occur here
  2. 2. Liver and ___ produce bile
  3. 4. Prevents food from entering trachea
  4. 6. ___ cells produce pepsinogen
  5. 8. The voicebox
  6. 11. The tube connecting mouth and stomach
  7. 12. Pancreas and gallbladder are examples of ___ organs
  8. 13. intestine Most water are absorbed here