Home > Respiratory System > Respiratory System of the Head and Neck > Larynx. The larynx is a tough, flexible segment of the respiratory tract connecting the pharynx to the trachea in the neck. It plays a vital role in the respiratory tract by allowing air to pass through it while keeping food and drink from blocking the airway.
Common side effects from nicotine gum include bleeding gums, too much saliva, hiccups, indigestion, slight swelling of the mouth, injury to teeth or cheeks, nausea, upset stomach and sore throat. Less common or rare side effects may include diarrhea, dry mouth, swollen gums, sores in the tongue/throat/mouth, muscle pain, rashes and sweating.
Lactic acid may cause a temporary burning sensation in your muscles while you're working out. However, contrary to popular belief, it is not responsible for delayed onset muscle soreness, or DOMS, which is muscle soreness that typically develops a day or two after exercise.any people commonly, but wrongly, view lactic acid as a waste product that causes fatigue and muscle soreness. However, while lactic acid production often accompanies fatigue, it does not directly cause tired muscles, nor is it responsible for the muscle soreness you may feel a day or two after your workout.