Entry from British & World English dictionary
Definition of immune system in English:
The organs and processes of the body that provide resistance to infection and toxins. Organs include the thymus, bone marrow, and lymph nodes.
- The infection causes the immune system to activate white blood cells and chemicals to fight the bacteria.
- They also discovered that the host animal must have a healthy immune system for infection to take hold.
- Premature babies are at increased risk of infection because their immune systems are immature.
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