Mucus secreted by goblet cells trap the foreign particles. Cilia push the particles out wards. This protects your lungs from damage by the foreign particles.
A tube containing cilia is called a trachea. The trachea is part of the respiratory system and it helps to move mucus and debris away from the lungs by the beating action of the cilia.
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Smoker's cough results from damage of the cells that line the trachea which have cilia. The cilia are damaged so that the mucus cannot be moved and therefore be swallowed. Coughing helps to remove the mucus. Also smoke irritates the cells of the trachea and produce the cough
The trachea is lined with cilia, which are tiny hair-like structures that beat in a coordinated manner to sweep away particles and dust trapped in mucus towards the throat where they can be expelled by coughing or swallowing.
Mucous membranes and cilia in the trachea trap and eliminate particulate matter from inhaled air. The membranes also warm and moisten incoming air.
Goblet cells in the trachea produce mucus that helps to trap and remove foreign particles and pathogens from the airways. Cilia are hair-like structures that line the trachea and sweep the trapped particles and mucus up and out of the respiratory system toward the throat to be swallowed or expelled through coughing. Together, goblet cells and cilia help to protect the lungs from harmful substances.
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.
In the lining of the trachea, bronchi, and bronchioles.
Cilia.
The combination of cilia and mucous helps to filter out solid particles from the air.
The hairs on the trachea are called Cilia and are for helping lifting up the mucus up the throat. Smoking can kill these hairs and they will have to swallow the mucus.=D