The immune system refers to the organs and organ systems of the body that provide resistance against diseases. Bone marrow, thymus and lymph nodes are the main organs of the immune system. The signs of a weak immune system include:
- Autoimmune disorders
- Digestive problems
- Blood disorders such as anaemia
- Delayed growth in children
- Prone to infections such as pneumonia, bronchitis, meningitis, skin infections.
- Loss of appetite
- Cramping in the abdomen