20,025
edits
Changes
→About Gas Exchange Systems
===About Gas Exchange Systems===
: [[Amphibian]]s, [[Bird]]s, [[Mammal]]s and [[Reptile]]s all have [[lung]]s in their '''gas exchange systems'''.
: [[Amphibian]]s and [[Fish]] both have [[gill]]s gills in their '''gas exchange systems'''.
: [[Plant]]s all have [[leaf|leaves]] in their '''gas exchange systems'''.