Slides in this set
Gas exchange in bony fish
· What is the structure of fish gills?
· How is water passed over fish gills?
· What is the difference between parallel
flow and countercurrent flow?
· How does countercurrent flow increase the
rate of gas exchange?…read more
GILL STRUCTURE NOTES
·Gills are covered by a bony operculum.
·Each gill has 2 rows of gill filaments
·Each gill filament has a set of secondary
·The surface of the gill plate/lamella is a
single cell thick.
THIS IS THE GAS
EXCHANGE SURFACE.…read more