nose hairs
Cilia acts like a filter. It traps dirt particles that we inhale and moves these particles out of the body.
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.
the septum
The secretion that traps dust and other inhaled particles is mucus, produced by mucus-producing cells lining the respiratory tract. This mucus helps to capture and remove particles from the air we breathe, preventing them from reaching deeper into the lungs where they could cause damage or inflammation.
tape
Sticky traps like TomCat.
It traps bacteria and dust.
Rat traps, can catch the mouse (Sticky traps). Also The poison in the traps can kills the rats ASAP.
Mucus
The gravity traps everythings on a planet.
They are readily available, but not for all insects.
Mucus.