Overview. The major passages and structures of the upper respiratory tract include the nose or nostrils, nasal cavity, mouth, throat (pharynx), and voice box (larynx). The respiratory system is lined with a mucous membrane that secretes mucus. The mucus traps smaller particles like pollen or smoke.
About more than 50 percent of optometrists received an annual salary ranging from between $70,140 and $125,460. According to the Bureau of Labor Statistics, the median hourly wage for an optometrist is around $51.42 per hour which averages to about $106,960 per annum.
Average Optometrist Pay vs. Other Best Jobs. Optometrists made an average salary of $113,010 in 2014. Opticians, who fit glasses and contact lenses, made about $76,750 less that same year.Speech-language pathologists, who work with patients with speech, language and voice disorders, made an average salary of $74,900.verage Optometrist Pay vs. Other Best Jobs. Optometrists made an average salary of $113,010 in 2014. Opticians, who fit glasses and contact lenses, made about $76,750 less that same year.