i think the immune system is just a bunch of whte blood cells acting to help defend the body against deaseses, viruses, etc.
the immune system
what organs make up the immune system
no its not.
Brain
Immune System.
The lymphatic / immune system and the endocrine system.
No, the immune system is not an organ. It is a system in your body that fights of viruses that enter your body. And example of an organ is a heart, or liver. The immune system are cells that fight off viruses that can make you sick.
The reproduction system, the digestive system, the immune system.
If you're asking what medications supress the immune system, steriods supress the immune system, as do medications given to organ transplant recipients.
Hematologic / Lymphatic / Immune system.
The immune/lymphatic system(s)
Immune system starts rejecting the organ of the recipient because the Human Leukocyte Antigen (HLA) which is present on the surface of the transplanted organ of the donor does not match with the recipient.