Respiratory system provides oxygen and removes carbon dioxide through blood. System includes air passages, pulmonary vessels, and respiratory muscles. Air passages include nose, mouth, pharynx, larynx, and trachea. Lungs contain alveoli for gas exchange between blood and air. Diaphragm and intercostal muscles control breathing process
Drains lung secretions using gravity for various respiratory conditions. Treats conditions like bronchiectasis, pneumonia, and COPD. Used for postoperative lung damage and COVID-19
Immediate effects include eye, nose, throat irritation and headaches. Long-term effects may cause respiratory diseases and cancer. Symptoms can appear years after exposure. Individual sensitivity varies greatly to pollutants
Oxygen is a colourless, odourless gas present in Earth's atmosphere (21%). Medicinal oxygen is essential medicine with no substitution. Oxygen systems include production, storage, distribution and delivery supplies
Sex triggers endorphins that provide temporary relief from respiratory symptoms. Sexual arousal may help relieve stuffy nose through blood vessel constriction. No evidence supports sex's ability to cure or shorten respiratory infections
System brings oxygen into body and removes carbon dioxide. Breathing, gas exchange, filtering and protection of lungs. Produces sound through larynx