date:Nov 02, 2018
Coughing happens when viruses, bacteria, dust, pollen or other substances irritate the nerve endings in the airways between the throat and lungs. A cough is the bodys way of trying to clear the passages, and what a valiant effort the body makes in this endeavor. We can cough at speeds up to 60 miles per hour, and the average cough produces enough air to fill a two-liter soda bottle about three-fourths full. The air of a cough sprays out several feet, and is accompanied by some 3,000 tiny droplet