Differences between gaseous exchange in bony fish and cartilaginous fish
| Bony fish | cartilaginous fish |
| Gill ventilation uses a muscular pump to force water over the gills and take oxygen | Gill ventilation rely on their constant swimming motion to force water over their gills and take oxygen |
| The blood and water flow in opposite direction over the gill | Water and blood flows in the same direction |
| Gills are covered by operculum | have gills that open to the ocean through slits |
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Dr. Bbosa Science
CATEGORIES General
TAGS Dr. Bbosa Science
