Immune system
A2 · Feelings & Health · A2 collocations
Meaning
The cells and organs in the body that fight infection and disease.
Example
Getting enough sleep helps keep your immune system strong during the winter.
“immune system” or “immunity system”?
Common with 'boost', 'strengthen' or 'weaken'. The noun is 'immunity', but we say 'immune system', not 'immunity system'.
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Related collocations
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- bitterly disappointedextremely sad because something you hoped for did not happen
- burst into tearsto suddenly start crying
- breathe a sigh of reliefto feel relaxed because a worry or danger has ended
- feel down in the dumpsto feel sad and lacking energy or hope
- balanced dieta combination of foods that gives your body all the nutrients it needs
- food poisoningan illness of the stomach caused by eating food that contains harmful bacteria
- flesh and blooda member of your family, or a normal human being with human weaknesses