If you want to know the answer go look it up on the book Human Anatomy
The lymph system and the nodes act as a filter.
Kidneys filter out liquid waste and then you pee.
Your immune system or your live, but you have to have healthy liver to filter out all your diseases.
The respiratory system works with the immune system by releasing oxygen, which helps you breathe and is like a filter to your body.
bladder
Lymphatic System
Another word for uninfected or disinfected could be unafflicted or aseptic.
Immune system
immune cell
Acquired Immune Deficiency Syndrome (AIDS) or the presence of another immune deficiency greatly increases the risk of brain abscess
NO! The skin helps keep out germs and infections, but if it does a bad job, the immune system kicks in.
quick healing, strong immune system....just guessing (: