In the majority of cases, incontinence is caused by a weakening of the pelvic floor muscles that keep the urethra closed. Whenever they lose their elasticity, everyday activities such as laughing, coughing, lifting and running can cause a urine leak.
The respiratory system consists of a group of ducts that are capable of filtering air from the environment before entering the pulmonary system.
Confidence votes 106. When you inhale, air is drawn into the nasal cavity, which warms, moistens and filters the incoming air. The nasal cavity includes mucus, immunologic tissue in the form of the adenoids to combat allergens, and a pathway to excrete mucus during times of infection/illness.he function of the mucosa is to warm and humidify air entering through the nose as well as to help to filter out unwanted particles in the air. 7 people found this useful.