What passes for a starfish's circulatory system uses ocean water instead of blood. This is essentially a series of tubes that extend from the stomach to the arms to transport nutrients. A starfish doesn't have a heart, but water running through the arms and feet provides oxygen.
The average internist has a salary of $186,850 a year ($89.83 an hour). An entry level internist can expect to earn $60,870 a year ($29.26 an hour) while an experienced internist has an average annual salary of greater than $187,200 a year (greater than $90.00 an hour).n entry level internist can expect to earn $60,870 a year ($29.26 an hour) while an experienced internist has an average annual salary of greater than $187,200 a year (greater than $90.00 an hour).
Internists had an average annual wage of $189,210 in 2011, according to the Bureau of Labor Statistics. Internists' average hourly wage totals $90.97, according to the Bureau of Labor Statistics survey.The median wage, meanwhile, measures the wages of the internists with a salary in the middle 50 percent in their field in the United States. That figure was $183,170 per year in 2011.nternists had an average annual wage of $189,210 in 2011, according to the Bureau of Labor Statistics. Internists' average hourly wage totals $90.97, according to the Bureau of Labor Statistics survey.