Cough is a reflex that your body uses as a defense against any foreign body or microorganism that is detected in the lower respiratory tract. The lower respiratory tract includes the larynx down to the lungs. In example, when our body detects a bacteria down our lungs, our villi ( small cells surrounding it) will produce mucus to cover and unarm the bacteria then the cilia (cells in the throat) will then kick upwards to keep the mucus out to the throat. Once the mucus reaches the throat, the person will now feel the urge to cough out to clear his throat from the mucus or secretion. What do we need to assist our respiratory system in coughing out the mucus. Fluids preferably lukewarm water. Warm water will make the secretion thin to be easily coughed out. It preferably taken in warm to help the throat muscles relax. You may add lemon, ginger or calamansi and/honey. Just make sure to drink more than 8-ounce glass water a day. What should we avoid? Avoid swe...