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The two main things in the nose that help to clean the air we breathe are tiny hairs called cilia and mucus. The cilia trap dust, bacteria, and other particles, while the mucus helps to moisten the air and trap any foreign particles before they can reach the lungs.
The tiny hairs in our nose clean the dust particles in the air
Cilia .
They clean the air so that we can breathe fresh air.
The nose filters, warms, and moistens the air you breathe. Hairs and mucus in the nose trap particles and pathogens, while blood vessels help warm and humidify the air before it reaches the lungs.
Without clean air we couldn't breathe
mucus
It has small dense hairs lining it that trap small debris, thus filtering the air.
Mucus in the nostrils helps to humidify and warm the air we breathe, as well as trap dust, bacteria, and other particles to prevent them from entering the respiratory system. It also contains antibodies and enzymes that help to fight off infections.
The nasal cavity contains tiny hair-like structures called cilia and mucus-producing cells. When you inhale, these cilia and mucus trap particles like dust, bacteria, and pollen, allowing clean air to pass through into the lungs while preventing harmful particles from entering. This helps protect the respiratory system from potential infections and irritants.
mostly the same as input, but less oxygen and more mucus
Clean air helps animals by supplying them with healthy, fresh oxygen to breathe. It's just like asking why we wash in clean water. It is obviously better than washing in the garbage truck. ;) Hope I answered your question correctly!