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).
Engineering Intern Salary. The average wage for an Engineering Intern is $16.19 per hour. The highest paying skills associated with this job are C, Geographic Information Systems (GIS), and Java. Most people move on to other jobs if they have more than 10 years' experience in this field.