Question

What can harm the respiratory system?

Answer 1

Common respiratory infections include the flu (influenza) or a cold. Disease: Respiratory disorders include lung cancer and chronic obstructive pulmonary disease (COPD). These illnesses can harm the respiratory system's ability to deliver oxygen throughout the body and filter out waste gases.

Answer 2

Answer:

Harm to the respiratory system can be by:-

1. Polluted gases inheling .
2. Smoking
3. inhel of carbon mono-oxide

hope its helpfull...