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.
The trachea is a cartilaginous tubular structure of the middle respiratory tract and is more commonly known as the windpipe. It connects the inferior margin of the larynx with the lower respiratory tract or the lungs.