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Respiration in Non-Homeotherms - Anatomy & Physiology (view source)
Revision as of 10:03, 15 August 2008
, 10:03, 15 August 2008no edit summary
==Introduction==
==Introduction==
==Fish==
Fish live in a relatively dense and viscous fluid, which has little oxygen carrying capacity. In order to gain sufficient gaseous exchange for survival, fish have developed a highly efficient system which has a large surface area, and utilises energy - the gills.
===Gills===
==Amphibia==