tertiary bronchi divide into bronchioles, which serve small compartments called lobules
bronchopulmonary segment
bronchioles
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branchilole
This results in intercostal and sternal recession in small children with airway obstruction.
Just slightly. Its easy to hyperextend a child's neck so its best to place a small towel or rag under the child's shoulders to help open the airway.
are called dopants
used only as a last resort after traditional airway clearance techniques and cardiopulmonary resuscitation (CPR) have been tried repeatedly and failed or if it is clear that a solid foreign object is blocking the airway
To a certain (small) extent, yes.
Essentially by conduction and in small part by radiation and convection.
The epiglottis is the small flap of tissue that automatically closes over the windpipe (trachea) when you swallow to prevent food and liquids from entering the airway.
The conduction speed of a nerve fiber is fastest in large myelinated fibers. This is because myelin acts as an insulator, allowing for faster propagation of the action potential by saltatory conduction in large fibers compared to small unmyelinated fibers.