Trying to find name of a cartoon from the 90's. It is set in the human body, each character had a function

trying to find name of a cartoon from the 90's. It is set in the human body, each character had a function such as immune antibodies that had spaceships and really fast guys that ran around carrying messages to different parts of the body. Then there were bad guys, or germs. it wasn't a really great cartoon but i would like to get the name anyway.