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.
1 Articular cartilages, which cover the ends of most bones at movable joints. 2  Costal cartilages, which connect the ribs to the sternum (breastbone). 3  Respiratory cartilages, which form the skeleton of the larynx (voicebox) and reinforce other respiratory passageways. 4  Nasal cartilages, which support the external nose.