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).
Source, Starting Salary and Gender. Salaries for internists vary according to the source, and some sources report median, or midpoint salaries, rather than the average. âBeckerâs Hospital Review,â for example, reports general internists earned a median salary of $226,833 in 2013, while the BLS median was $186,850.Starting salary figures can also vary.ource, Starting Salary and Gender. Salaries for internists vary according to the source, and some sources report median, or midpoint salaries, rather than the average. âBeckerâs Hospital Review,â for example, reports general internists earned a median salary of $226,833 in 2013, while the BLS median was $186,850.