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).
Internship salary in Canada. An average yearly salary for an intern in Canada ranges from between $8,000 to $12,000. In addition, an intern can benefit from various privileges like medical benefits, health insurance, and many other facilities as part of the annual salary package.n internâs salary varies based on his or her age as the one in 20s earns up to Â£16,641, in 30s earns about Â£21,745, in 40s and in 50s earns about Â£25,739 per annum. In addition, the highest paid intern earns an yearly salary of around Â£31,787 whereas the lowest paid intern earns less than Â£21,000 per year.