Tar in cigarettes disrupts a process in the upper respiratory tract called the emphysema.
What is cigarette?
This is a long pipe that contains tobacco, nicotine and other substances which are commonly taken in by people and is known to cause a number of respiratory problems to chronic smokers.
Tar in cigarettes disrupts a process in the upper respiratory tract called the emphysema.
Learn more about tobacco: https://brainly.com/question/984821
