Question

1. Air entering our nose is generally cold and many a times contains dust particles. How is this air made warm and free of dust particles inside the respiratory tract? What would happen if the dust particles reach our lungs?


2. A person was diagnosed with infection of lungs wherein there was a decrease in air flow into and out of lungs. Doctors linked this condition with
the tobacco smoking. Why so? How does tobacco smoking affect our body?​

Answer 1

Answer:

Answer is in image.

Explanation:

Mark as BRAINLIEST