The choice to make PE determinations rests with each individual hospital (not with the state) and. is not dependent on whether the hospital (or the state) operates PE for other populations.
Relevance. Rating Newest Oldest. Best Answer: Trachea is the respiratory system supported by a rings of cartilage.. in animal, CO2 is considered as the gas released by the body cell and need to be exhaled out from the respitary system just like the human.. Source(s): Lollipop_mun Â· 8 years ago.
Structures in the respiratory conduction system help conduct air into the lungs where the exchange of oxygen and carbon dioxide takes place. The respiratory conduction system is divided into the upper and lower airways. The upper airway consists of the nose, pharynx, epiglottis, and larynx.