The trachea, also known as the windpipe, is a tube that connects the larynx to the bronchi of the lungs and allows air passage. It plays a crucial role in providing airflow to and from the respiratory system.
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The trachea is lined with ciliated epithelial cells that help trap and expel pathogens and debris.
It splits into two primary bronchi at its lower end, leading to each lung.
The trachea has cartilaginous rings that provide structural support and prevent collapse during inhalation.
Goblet cells within the tracheal lining secrete mucus to trap microorganisms.
Infections of the trachea can lead to conditions such as tracheitis, which may complicate respiratory system infections.