What is the substance in tabacco smoke that slows down the work of the cilia?

What poisonous gas , pushes oxygen out of the red blood cells?

What are three diseases that long-term smking helps to cause?

A drug in tabacco smoke that makes the blood vessals become narrower and causes the heart to work harder.

The process of inhaling and exhaling.

A sticky liquid lining the parts of the respiratory system.

Waste gas that is exhaled from the body.

The place where air is cleaned and warmed before it enters the lungs.

A name for the air you breath.

Another name for the throat.

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