Learning About First Aid

You most powerful survival tool is between your ears. Training will help add to you capabilities.

Here are a few sites that will help with that.
Red Cross find a local chapter and take a first aid course.
ProCPR has videos you can review.
Hesperian Foundation is where you can get Where There is No Doctor, a very useful book for those times you are far away from good medical care and many other books.
University of California TV Several video programs on the subject.