How does smoking damage the respretory system?

The effects of smoking, can do many things, including:

• Damaging, and irritating the windpipe.
• Damaging, and irritating the voice box.
• Turning your lungs black, making them extremely unhealthy.
• Having trouble breathing
• Having trouble talking. 

There are some more but these are the main effects. 
Dont smoke. :)

It doesn't state that he washed his hands before or after preparing this poultry. even though he had it in seperate bags the bacteria from the poultry could have entered the vegtables because of a lack of handwashing. so cross-contamination is a very possible answer.