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.
The 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. Edit.he function of the respiratory system is to allow gas exchange it, taking oxygen into the blood and removing carbon dioxide from the blood. The oxygen absorbed is used by the â¦. 30 people found this useful.