immune system
After being sick for so long, he had a weakened immune system.
The immune system, primarily.The immune system.Really...
No, the spinal cord is not part of the immune system. It is primarily a component of the central nervous system, responsible for transmitting sensory and motor signals between the brain and the rest of the body. The immune system is a separate system that protects the body from infections and diseases.
protects cells that have not yet been infected by viruses
Without an immune system you are unable to fight off the most minor infections which will only get worse. That is essentially the reason people die from AIDS, they are so immunosuppressed that they succumb to infections that a healthy immune system could handle with ease.
the immune system protects the body from invading pathogyns
The immune system.
immune system
your immune system and your White blood cells produce antibodies
The Immune System
no, unless the immune system is compromised