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Well, the trachea has cartilaginous rings that keep the airway from caving in; this keeps the airway open at all time, which is good because we need air all the time.

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What is the function of the trachea in the respiratory system?

The trachea, also known as the windpipe, is a tube that carries air to and from the lungs. Its main function is to provide a pathway for air to enter and exit the lungs during breathing.


What is the tube held open by rings of cartilage lined with cilia and mucous membrane?

The tube is known as the trachea, or windpipe. It serves as a passageway for air to travel in and out of the lungs. The rings of cartilage help keep the trachea open, while the cilia and mucous membrane function to trap and remove any foreign particles or debris from the air before it reaches the lungs.


What Prevents aspiration of food into trachea?

Several protective mechanisms prevent the aspiration of food into the trachea. These include the epiglottis, which covers the trachea during swallowing, the coordination of muscle contractions in the throat to direct food into the esophagus, and the cough reflex to expel any foreign material that might enter the trachea.


Function of cartilage rings?

Cartilage rings provide structural support and maintain the shape of the trachea, allowing it to remain open during breathing. They also protect the trachea from collapsing and help prevent airway obstruction.


What is the function of the cartilage rings of the trachea?

protect trachea from external shock and also prevent it of collapsing The open portion of the C-shaped rings is posterior (toward the back). The back of the trachea has a tough but flexible membrane covering the spaces. This permits food boluses (big wads of food) to pass through the esophagus, which is behind the trachea. Even a large chunk of food in the expandable esophagus will not completely press the trachea closed.