Example Sentences
"Your immune system works constantly to keep you healthy."
"Getting enough sleep helps your immune system work better."
Synonyms & Related Terms
Quick Check
Which best describes the meaning of immune system?
Study Tips
To remember immune system, try writing it in a sentence of your own. Connect it to something you already know about health.
Use it in conversation today — saying a word aloud three times helps lock it into long-term memory.