A cough
Crepitus.Abnormal crackling sounds are called rales when heard on ausculation of the lungs, but called crepitus when heart in a joint, gangrenous skin, etc.
Congestion in the lungs or (more likely) bronchial tubes.
The three sounds of static are crackling, popping and explosive sounds. The sound depends on the amount or condition of static charges.
Crackling in any joint is called crepitus. Medial plica syndrome is one possible cause of crackling in the knee joint.
A crackling noise when you turn your head or press on the back of the neck - like rice krispies - is called Crepitus.
Asbestos disease typically affects the human lungs and causes damage in a variety of ways. The most common symptoms are shortness of breath, crackling sounds in the lungs, dry cough, and a feeling of fatigue.
The explosive death of a star is called a supernova.
* As an explosive. * To sufficate someone due to pressure applied in lungs.
Sneeze
Crackles: Fine crackling or bubbling sounds, commonly heard during inspiration when there is fluid in the alveoli; also called rales.
Quite a few, but the first animal I can think of is a bird called a Corncrake.
I was startled awake by the fire's crackling sounds. The lightning came crackling past my head and struck the tree.