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Crossword Puzzle
Crossword Puzzle

Immune System

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Immune System

Crossword Puzzle

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About this activity

Your immune system is full of secret defenders: chemicals, barriers, and fast-acting cells that protect you every day.
Each clue in this crossword reveals a different defender that helps protect your body from germs.
Use the clues to fill in the crossword with the correct scientific terms.
Think carefully, use what you learned in the lesson, and uncover how your body fights infection every single day!
Ready to solve the puzzle and reveal the secret forces keeping you healthy?
Let’s explore the secret world of your immune system!

Created by

Marwa Aabed
Marwa Aabed
United Arab Emirates

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Immune System
 

Crossword Puzzle

Immune SystemOnline version

Your immune system is full of secret defenders: chemicals, barriers, and fast-acting cells that protect you every day. Each clue in this crossword reveals a different defender that helps protect your body from germs. Use the clues to fill in the crossword with the correct scientific terms. Think carefully, use what you learned in the lesson, and uncover how your body fights infection every single day! Ready to solve the puzzle and reveal the secret forces keeping you healthy? Let’s explore the secret world of your immune system!

by Marwa Aabed
1

Germ-killing chemical found in tears.

2

Sticky fluid that traps germs inside the nose and organs.

3

A body reaction that causes redness and swelling to fight infection.

4

Immune cells that release histamine when they detect danger.

5

A strong immune reaction to something harmless like dust.

6

A chemical signal that starts inflammation.

7

Tiny organisms like bacteria and viruses that can cause disease.

6
2
5
4
7
3
1
 
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