It traps it using a filtering system of hair and mucous.
The sticky thick fluid that traps dust, germs, and other particles in the air is called mucus or phlegm. It is produced by the respiratory system to help filter out and remove harmful particles before they reach the lungs.
Mucus traps dust, dirt. and other microscopic foreign particles from entering the body through the nose. It also warms up air that comes through the nasal cavity, which is why it is always better to breathe with your nose then mouth whenever possible.
to keep the germs away the hair traps the germs
Mucus is a sticky liquid that can trap dirt and germs in the human body, particularly in the respiratory system and digestive tract. It helps to protect the body from harmful substances and pathogens by trapping them and aiding in their removal.
Mucus traps dirt and bacteria.
tape
The hair inside your nostrils works like a filter, protecting you from breathing in potentially dangerous particles. Nose hair traps dust, pollen, germs and fungus so you don't inhale them.
Mucus helps in trapping pathogenic microorganisms and dust particles and prevent them from entering inside the lungs, second it keep respiratory tract moist so that friction is reduced. Another function of Mucus is to regulate the temprature of the inhaled air.
It traps bacteria and dust.
trap dust and germs and kill them
Germs are all over the place, literally, so yes possibly. And dust is dead skin, so yes, probably, too.