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 main function of the respiratory system is the exchange of gases such as oxygen and carbon dioxide in the lungs. Breathing, or respiration, allows this important function to take place.he main function of the respiratory system is the exchange of gases such as oxygen and carbon dioxide in the lungs. Breathing, or respiration, allows this important function to take place.