Honda Repair: No Heat, honda accord ex, heater core

Question
The heat in my '95 Honda Accord EX has just quit working...what could the problem be?  I haven't taken it in for repair yet, I'm hoping it's something simple I can repair myself.  Any suggestions on what to check?

Answer
It is the heater core being clogged up get the diagram on where the heater core is and just disconnect the hoses off of it and just get a hose and stick it in the core and just spray it out then if you can air it out with an air compressor if you have one if not take it somewhere where there is one so you won't have to spend money on replacing the heater core cleaning it out works just as well it just gets clogged up sometimes.