Changes

*In the '''Dog and Cat''' the C-Shaped rings are joined by muscle which is placed externally, rather than internally as is normal for the other species.

*In the '''Dog and Cat''' the C-Shaped rings are joined by muscle which is placed externally, rather than internally as is normal for the other species.

*In [[Avian Respiration - Anatomy & Physiology|'''avian]] species''' the trachea is composed of tightly stacked rings of [[Bones and Cartilage - Anatomy & Physiology#Types of Cartilage|cartilage]], which are complete with no dorsal space. They overlap considerably.

*In [[Avian Respiration - Anatomy & Physiology|'''avian]] species''' the trachea is composed of tightly stacked rings of [[Bones and Cartilage - Anatomy & Physiology#Types of Cartilage|cartilage]], which are complete with no dorsal space. They overlap considerably.

*The [[Respiration in Non-Homeotherms - Anatomy & Physiology|Respiratory Systems]] of non-Homeotherms]] are also very different to that of mammals.

*The [[Respiration in Non-Homeotherms - Anatomy & Physiology|Respiratory Systems of non-Homeotherms]] are also very different to that of mammals.

==Links==

==Links==