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.
Confidence votes 2.6K. When you breathe in, air enters the body (via mouth or nose) and travels down a tube called the windpipe (aka trachea) and into the lungs. When you exhale, carbon dioxide gas is released. Heres something fun for you to try, take a deep breath (inhale with your nose) and try and imagine oxygen going into the lungs.