According to the uses of both horse and donkey, there are some similarities as well as dissimilarities. Both of them were wild once and then some became domesticated. Presently, most of the donkeys and horses are domesticated while still there are some wild populations.
In the breathing system, the air enters at the nostrils (nares) , passes through the nasal cavity (where some smell detectors are located) , and enters the trachea. Sid â¦ e branches of this system the Eustachian tubes communicate with the middle ear to allow for the balancing or air pressure across the eardrum.
Air enters the body when you inhale (Breathe in) air enters through the mouth and into the lungs. and then exhale (Breathe out) carbon dioxide (CO2). 5 people found this useful.Edit. perfect Mix of oxygen and Carbon dioxide enter your body through your mouth and go through your breathing pipe to your lungs it then it goes past a paperthin skin which unox â¦ igenated Blood goes past and then your blood is oxigenated!.