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← 1.2 Fish Physiology

Adaptations of gills to gaseous exchange

Marine and Fisheries Technology · Grade 11 · about 40 minutes

Summarise how the gills are adapted for efficient gaseous exchange.

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Other lessons in this sub-strand

  1. Introduction to fish physiology
  2. The digestive system of a bony fish
  3. The mouth and buccal cavity
  4. The pharynx and oesophagus
  5. The stomach
  6. The intestine and absorption
  7. The liver, gall bladder and pancreas
  8. Digestion in a carnivorous fish
  9. Digestion in a herbivorous fish
  10. Digestion in an omnivorous fish
  11. Comparing digestive systems and diets
  12. The circulatory system of a fish
  13. The fish heart
  14. Blood vessels of a fish
  15. Blood of a fish
  16. Single and double circulation
  17. Modelling the circulatory system
  18. The respiratory system of fish
  19. Structure of the gills
  20. Gill arches and gill rakers
  21. Gill filaments and lamellae
  22. Gaseous exchange in the gills
  23. Countercurrent exchange
  24. The breathing mechanism
  25. Adaptations of gills to gaseous exchange
  26. Gills compared with lungs
  27. Importance of fish physiology
  28. Fish physiology in aquaculture
  29. Investigating fish physiology
  30. Review of fish physiology