A gut feeling

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Across
  1. 4. enzyme that initiates protein digestion in the stomach
  2. 5. a complex carbohydrate
  3. 10. abbreviation for substance that stimulates insulin production and release
  4. 11. motility in this region of the stomach is important for mechanical digestion
  5. 13. reflex that matches stomach emptying with duodenal digestion
  6. 16. pepsin and trypsinogen are examples
  7. 18. elevated release of this signaling substance triggers the sensation of nausea
  8. 19. another term for swallowing
  9. 20. characteristic of initial salivary secretion
  10. 21. cell type secreting gastric acid
  11. 26. inhibitor of gastric acid secretion
  12. 27. membrane potential shift in the positive direction
  13. 28. substance having detergent activity
  14. 30. protective substance secreted in gut
  15. 31. key component of pancreatic juice
Down
  1. 1. sphincter that aids mechanical digestion by crushing ingesta
  2. 2. one of three substances signaling gastric acid secretion
  3. 3. another term for chewing
  4. 6. catalyzes initial conversion of trysin from trypsinogen
  5. 7. a gut hormone that stimulates secretion of pancreatic enzymes
  6. 8. nerve through which sympathetic signals travel
  7. 9. signaling between cells in close proximity
  8. 12. muscle type found within walls of esophagus
  9. 14. type of chemical digestion promoted by gut microbes
  10. 15. how products of fat digestion travel in the circulation
  11. 17. nervous system branch that confers autonomy to the gut
  12. 22. forward direction of peristalsis
  13. 23. hormone that regulates gut motility
  14. 24. structure allowing movement of ions and small signaling molecules between cells
  15. 25. one of two nerves through which parasympathetic signals travel
  16. 29. phase of digestion reducing nutrients to units capable of being absorbed