Question

What function does the nose serve in the respiratory system?

> Cool and clean the air before it moves to the lungs
>Warm and clean the air before it moves to the lungs
>Remove moisture from the air as it moves to the lungs
>Add moisture to the air before it moves to the lungs

Answer 1

The answer is B.
It warms and filters the air as it enters the sinus, it also retains moisture because cold dry air could irritate the lungs.

Answer 2

The correct answer would be "Warm and clean the air before it moves to the lungs."

The external opening of the respiratory system is formed by the nose and nasal passage.

The nasal cavity is lined with mucus and hairs.

The main functions of the nasal cavity moisturize, warm, and filter the air as it passes from nose to the lungs.