This Is a Certified Answer

Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
 if one part of the breathing system fails to carry out its function, then if that happen to a person then most likely he has a difficulty in breathing and Difficulty in transfering oxygen in the blood, then if that happens it may lead to death. When one part fails, then all parts will also fail in their function. all the part of breathing system needs to work as one, they should have teamwork to continue their work and their function 

i hope this will help !!