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Air that is breathed in goes past moist tissues and moist hairs. The dust and other foreign particles stick to the moist tissues and moist hairs. Breathing through the mouth filters out fewer foreign particles, so is less good for the lungs.
Tiny hairs in the nose called cilia and mucus trap the dust and other particles and either push them back out the nostril or down into the digestive system.
Mucus and something else
mucous covered membranes and microscopic hairs called cilia sweep dust away, then sneezing and coughing will expel it from the body or it will be swallowed
Weirdly enough, your nostril hairs stop dust from traveling into your lungs.
It dose reach the lungs but a sneeze or a cough brings it right up
By the goblet cells and cilia in your windpipe. Smoking kills these cells, which is when smokers get ill.
ciliated mucous lining in the nose
Goblet and Ciiated cells
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∙ 10y ago
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What is the function of ciliated epithelium in the lungs?
To assist in removing dust particles and other unwanted foreign bodies that have entered the air passages.
What is the function of the epithelium in the lungs?
To assist in removing dust particles and other unwanted foreign bodies that have entered the air passages.
How does mucus and cilia help to keep the airway free of dust and bacteria?
Mucus and cilia keep the lungs free from bacteria and dust particles by trapping dust so that it can be swallowed and broken down by the digestive system. Alternatively, dust and bacteria can be expelled when sneezing or coughing.
What structures trap foreign particles and bacteria in the nose and trachea?
dust
What do the cilia and the hair in the nose do with dust particles?
The hairs in the nose are there to stop dust particles being inhaled into the lungs. Dust combined with natural mucus - is what 'bogies' are formed from (sorry if you're eating !)
Why is it that inside of a nose is warm and moist?
Our lungs are quite sensitive. The blood vessels in the nose warm the air to a temperature close to our own. The moisture is simply secretions designed to trap foreign particles such as pollen and dust - to sopt them reaching the lungs.
Why is it important for the air to be filtered?
To prevent dust particles and harmful materials from entering the lungs .
Why is important for the air to be filtered?
To prevent dust particles and harmful materials from entering the lungs .
Microscopic particles such as dust and ash that can enter the nose mouth and lungs are called?
Particulates
What is the secretion that traps dust and other inhaled foreign particles called?
mucus
What sort of things could make the lungs dirtyHow do these things get into the lungs?
A dusty enviroment can affect our lungs when we breathe it in because the dust particles can get trapped in our lungs which would affect our breathings the particles travel through the the air and we inhale it!
How do ions remove dust pollen another foreign particles from the air?
The cause is the electrostatic attraction between ions and these particles.
