Changes

==Amphibia==

==Amphibia==

In amphibian species, the [[Skin - Anatomy & Physiology|skin]] forms the major, and sometimes only respiratory organ.

In amphibian species, the [[Skin - Anatomy & Physiology|skin]] forms the major, and sometimes only respiratory organ. The [[Skin - Anatomy & Physiology|skin]] of amphibia is; Thin, poorly keratinised, highly vascularised and moist to promote diffusion of gases. '''Aquatic''' amphibians may also have ''internal gills'' and '''pharyngeal slits'''. Most amphibia also have lungs for breathing. This contains interconnecting septa which divide the lumen into '''faveoli''', compartments which open into a central chamber within each [[Lungs - Anatomy & Physiology|lung]].

 

The [[Skin - Anatomy & Physiology|skin]] of amphibia is:

*Thin

*Poorly keratinised

*Highly vascularised

*Moist to promote diffusion of gases

 

'''Aquatic''' amphibians may also have ''internal gills'' and '''Pharyngeal Slits'''.

 

Most Amphibia also have lungs for breathing. This contains interconnecting septa which divide the lumen into '''Faveoli''', compartments which open into a central chamber within each [[Lungs - Anatomy & Physiology|lung]].

==Reptiles==

==Reptiles==