Final answer:
Intubation is a procedure used to create an opening in the windpipe to bypass an obstruction or injury in the respiratory system. It allows air to reach the lungs and is often performed by ambulance crews. The trachea, bronchi, bronchioles, and alveoli are important structures involved in the respiratory system.
Step-by-step explanation:
Intubation is a procedure used to create an opening in the windpipe (trachea) when the respiratory system is blocked or injured. A long, plastic tube is inserted into the trachea to allow air to bypass the obstructed area and reach the lungs. This procedure is often performed by ambulance crews to help a person breathe.
During intubation, air is supplied artificially using a squeezable bag attached to the top of the tube. The trachea is the long tube that leads down to the chest and divides into the right and left bronchi, which further branch into bronchioles within each lung. The bronchioles eventually lead to alveoli, where gas exchange takes place.