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).
Compared with the 2010 Compensation Report, this year's respondents -- both male and female physicians -- report higher incomes. However, men are still making more money. According to the Medscape survey, male internists, at $195,000, make considerably more than female internists, at $173,000. This is consistent with previous years and responses from all physicians, where men are still the higher earners.