There are a few resources available to help.
Click Here for Helpful Resources for Students who are New to eLearning
A searchable online help system is available at "Blackboard Help for Students". https://en-us.help.blackboard.com/Learn/Student
There is also a complete video tutorial covering all aspects of using eLearning from Lynda.com (requires CadID). http://www.lynda.com/tutorial/84527?org=uni.edu