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, or windpipe, is the tube connecting the throat to the lungs. Small rings of cartilage along the tracheal wall maintain the tube shape. In the dog, these rings do not completely encircle the windpipe, but only cover about 5/6 (83%) of the circumference.A thin membrane of tissue completes the circle.he trachea, or windpipe, is the tube connecting the throat to the lungs. Small rings of cartilage along the tracheal wall maintain the tube shape. In the dog, these rings do not completely encircle the windpipe, but only cover about 5/6 (83%) of the circumference. A thin membrane of tissue completes the circle.