What is the purpose of the immune system?
Immune System

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Science
•
4th - 5th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The purpose of the immune system is to fight off sickness.
2.
FLASHCARD QUESTION
Front
What is the immune system made up of?
Back
The immune system is made up of lymph nodes, cells, tonsils, and more.
3.
FLASHCARD QUESTION
Front
What do we call it when the immune system overreacts to something harmless?
Back
When the immune system overreacts to something harmless, it's called an allergy.
4.
FLASHCARD QUESTION
Front
Which cells attack bacteria and viruses?
Back
White blood cells attack bacteria and viruses.
5.
FLASHCARD QUESTION
Front
Where are lymph nodes found?
Back
Lymph nodes are found in the neck, armpits, and other areas.
6.
FLASHCARD QUESTION
Front
What are white blood cells?
Back
White blood cells are cells in the immune system that help fight infections.
7.
FLASHCARD QUESTION
Front
What is an allergy?
Back
An allergy is a reaction of the immune system to a substance that is usually harmless.
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