Question

Which is a function of mucus in the lungs?

It prevents food from entering the lungs.
It carries carbon dioxide to the body cells.
It traps particles such as dust and pollen.
It forms a thin tissue that lines the alveoli.

Answer 1

The correct answer will be option-It traps particles such as dust and pollen.

Step-by-step explanation:

The mucus produced in the lungs is also known as the airway surface liquid or ASL and the mucus formed inside the lungs is known as phlegm. The mucus is composed of the water, ions and the macro-molecules which can trap and has anti-protease and anti-microbial activity.

This mucus forms a thin layer of the fluid in the luminal surface of the airway to which protects the lungs from the foreign particles and chemicals which can enter.

Thus, option-It traps particles such as dust and pollen is the correct answer.

Answer 2

Hello There!

The "Lungs" are pairs of organs within the rib cage.

In the "Lungs" the mucus traps dust and pollen