Immune System Worksheet for 11-Year-Olds - Science & Health

Instructions

Read the questions carefully and answer them to the best of your ability. Use the provided spaces for your answers.

1. What is the main function of the immune system?

2. Name three types of white blood cells and their roles in the immune system.

3. How does the body respond when it detects an infection?

4. What are some ways to keep your immune system healthy?

5. Explain what vaccines do to help protect the body.

6. What is the difference between active immunity and passive immunity?

7. Can you think of a time when you or someone you know was sick? How did the immune system help fight the illness?

8. Why is it important to wash your hands to prevent illness?