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.
Most of the mucous membrane lining the conducting portion of the respiratory tract is lined by pseudostratified, ciliated, columnar epithelium (PCCE), which is also know as respiratory epithelium. PCCE serves the protective function of the respiratory system.