Lesson 32 of 84 · The Human Body
Experiment⭐ 30 XP🌿 Wild JungleThe Immune System: Body Defenders (Part 2)
The Human Body.
🎯 Your mission
Set it up. Test it. Be amazed.
⚡ The twist
Living things break the rules of non-living things — find the rule they break.
Mind = Blown
🦠 You have more bacterial cells in your body than human cells.
Make a hypothesis first
Predict: what will happen to the plant if you change the water?
What You'll Learn
The immune system defends the body against disease-causing germs. White blood cells identify and destroy bacteria and viruses. Vaccines train the immune system to recognize specific threats.
Key Words
- immune system
- hormone
Materials Needed
- cotton balls
- cups
- different scented items
- textured objects
- timer
Safety First
- Dispose of materials properly after the experiment.
- Handle glass items carefully to avoid breakage.
- Do not mix unknown chemicals together.
Steps
Look at the vocabulary words and write a definition for each in your own words.
Test your peripheral vision: stare straight ahead while a partner slowly moves a colored card from behind your head to the front. Record when you first see the color.
Draw a detailed diagram of what you observe.
Write a conclusion: what did your results show? Did they match your prediction?
Check Your Understanding
Question 1
1 of 3What is a reflex?
Where you see this in real life
This is why plants grow toward windows and why scabs form.
Stretch Challenge
Try this in real life this week.
Watch a plant or pet for 5 minutes today and write down what you noticed.
For the dinner table
“Tell me something you noticed about your own body today.”
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