The epithelium is a layer of cells-epithelial cells. They are highly specialised for selective secretion and absorption of ions and molecules. Epithelial cells line any surface that comes into contact with the external environment. So-the airways, the gut, the urinary tract, the cornea etc.Together with an underlying layer of connective tissue, they form mucous membranes. Epithelium may also line the surface of internal organs. An epithelial cells is said to be polarised as either side of the cell differs in terms of structure and function.o-the airways, the gut, the urinary tract, the cornea etc. Together with an underlying layer of connective tissue, they form mucous membranes. Epithelium may also line the surface of internal organs. An epithelial cells is said to be polarised as either side of the cell differs in terms of structure and function.
Examining the average pay for a truck driver recruiter within various cities across the United States, one can see how location can play a part in salary income: 1  New York City, NY = $85,000. 2  Washington, D.C. = 3  $77,000. 4  Atlanta, GA = $76,000. 5  Boston, MA = $74,000. 6  Chicago, IL = $72,000.7  Los Angeles, CA = $70,000.xamining the average pay for a truck driver recruiter within various cities across the United States, one can see how location can play a part in salary income: 1  New York City, NY = $85,000. 2  Washington, D.C. = 3  $77,000. 4  Atlanta, GA = $76,000. 5  Boston, MA = $74,000. 6  Chicago, IL = $72,000. 7  Los Angeles, CA = $70,000.
According to Salary.com, the average tractor trailer truck driver earns a median income of $47,411 per year. Median refers to the middle salary â not the average. The middle 50% of drivers will earn somewhere between $41,739 and $53,306 per year.The bottom 10%, which is what rookie drivers usually fall into, will earn $36,575, while the top 90% (the most experienced drivers) will earn a median salary of $58,674.Salary.com also lists two other types of truckers: light and heavy.he middle 50% of drivers will earn somewhere between $41,739 and $53,306 per year. The bottom 10%, which is what rookie drivers usually fall into, will earn $36,575, while the top 90% (the most experienced drivers) will earn a median salary of $58,674. Salary.com also lists two other types of truckers: light and heavy.