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 bodyâs exterior.
The starting salary for optometrists with less than a year of experience typically ranges from $57,810 to $102,129 a year according to Payscale. These professionals earn bonuses in the average amount of $500 per year. The hourly rate for professionals with less than a year of experience is between $39.09 and $54.38.
The median salary for optometrists employed in the United States is $98,806 a year including bonuses according to Payscale. These professionals earn bonuses in the average amount of $1,000 a year.ptometrists working at physiciansâ offices have a median annual salary of $127,380, those working at outpatient care centers earn $113.470 a year on average, and optometrists working at offices of other health practitioners are paid around $107,860 annually.