There are 3 major parts of the respiratory system: the airway, the lungs, and the muscles of respiration. The airway, which includes the nose, mouth, pharynx, larynx, trachea, bronchi, and bronchioles, carries air between the lungs and the body's exterior.
2009 is the year that the population of zebras and lions is the highest
Steriodal//topical???
Sorry if i didn’t help :(