Why You Can't Breathe Out of Your Nose When You're Sick

What is the name of the natural process where your nostrils take turns being more open or restricted?

• Respiratory rhythm

• Nasal cycle

• Olfactory shift

• Breathing pattern

Why do your lungs need the air you breathe to be warm and moist?

• To prevent the lungs from getting too cold.

• To help the lungs absorb oxygen more efficiently.

• To protect the delicate lining of the lungs and nasal passages.

• To make breathing easier.

What are cilia in your respiratory tract responsible for?

• Producing mucus.

• Warming the air you breathe.

• Keeping mucus and airborne particles out of your lungs.

• Detecting smells.

How does having different airflow speeds in your nostrils help you smell better?

• It allows you to breathe more deeply.

• It helps to filter out bad smells.

• It lets you detect a wider variety of smells.

• It prevents your nose from getting tired.