Drowning, heart failure, drug overdose, head trauma. I would think a cause of death would be possible or at least a most likely cause. At 49 heart failure would be a likely suspect.
The trachea.
The walls of trachea contain c-shaped rings or cartilagenous rings.These soft bones provide rigidity to the trachea , that is why the walls of trachea doesn't collapse when there is less air.
Windpipe is the common name for trachea.
Trachea Trachea
In adults, the trachea or windpipe 1inch (2.5centimeters) in diameter.
The trachea.
The singular for trachea is "trachea". The plural is "tracheae".
No trachea is not the lung.
the trachea
Trachea size
tThe trachea ends at the bronchia which takes air from the trachea to the lungs.
the trachea (windpipe)
trachea is the breathing of insects
because the trachea is gene
Anything that breathes has a trachea.
trachea leads to the lungs
Vertebrate trachea: Birds and mammals Invertebrate trachea: Insects and crustaceans