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).
A physicianâs average salary varies. In 2013, a general internist made a median salary of $186,850, according to the BLS. Areas of the country that pay physicians particularly well include Wilmington, North Carolina; Wichita, Kansas; and Tallahassee, Florida.n fact, a physicianâs average salary was $188,440 in 2013, which was higher than any other salary in our Best Health Care Jobs list.