I WONDER - Why Do We Have Nose Hairs?

The video explains how nose hairs and mucus act as a natural air filter, protecting the lungs from harmful particles like pollen, bacteria, and dust. It highlights the importance of nose hairs in supporting the immune system and suggests that a hairier nose may contribute to better health by filtering out irritants and potential disease-causing agents.

What makes the human nose an effective air filter?

• The temperature of the air

• The presence of mucus and hairs

• The size of the nostrils

• The shape of the nose

What happens to the air when it passes through the nose?

• It changes color

• It becomes humid

• It is filtered by mucus-covered hairs

• It gets warmed up

Which of the following is NOT filtered by the nose hairs?

• Water vapor

• Pollen

• Bacteria

• Dust

How do nose hairs contribute to lung health?

• By trapping irritants and preventing them from reaching the lungs

• By increasing oxygen levels

• By producing antibodies

• By cooling the air

What is the relationship between the amount of nose hair and health?

• Less nose hair leads to better health

• Nose hair affects only the sense of smell

• More nose hair leads to better health

• Nose hair has no impact on health