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).
The Average Salary of a Doctor: Internists. Internists earn a mean annual wage of $196,520 and a mean hourly wage of $94.48. The top-paying state for internists is Arkansas, with an annual mean wage of $265,360. Other high-paying states are Georgia, South Dakota, Indiana and Alabama.