Question

Mucus production in nose is an advantage because_______.

• A. It prevents loss of water
• B. It helps lungs to function
• C. It prevents the entry of foreign particles
• D. All of the above

Answer 1

The correct option is C

It prevents the entry of foreign particles

Mucus production in nose is an advantage because of its sticky and liquid nature. It prevents or blocks the entry of foreign particles like dust, pollen, microbes etc into lungs.