Lesson 33 of 84 · The Human Body
Simulation⭐ 30 XP🌿 Wild JungleNeurons and Nerve Signals (Part 2)
The Human Body.
🎯 Your mission
Play with the model. Break it. Understand it.
⚡ The twist
Every species solves the same problem differently.
Mind = Blown
🌳 Trees can talk to each other through underground fungus networks.
Make a hypothesis first
Before you watch: what do you think it'll do?
What You'll Learn
Neurons are specialized cells that transmit electrical and chemical signals throughout the nervous system. Sensory neurons carry signals from receptors to the brain.
Key Words
- hormone
- skeletal system
Steps
Read the introduction and identify the main idea of this lesson.
Build a model arm using cardboard tubes, string (tendons), and rubber bands (muscles). Show how muscles work in pairs to bend and straighten the elbow.
Compare the before and after states.
Write your conclusion: did the results match your hypothesis? What would you change next time?
Check Your Understanding
Question 1
1 of 3What converts sound waves into nerve signals?
Where you see this in real life
Your own body is doing this thousands of times every second.
Stretch Challenge
Try this in real life this week.
Find one thing about your body that's different from a friend's. Wonder why.
For the dinner table
“Tell me something you noticed about your own body today.”
Next Smart Experiment
We'll pick an experiment that matches exactly how you're thinking right now.
Share this experiment
Send it to a parent who's looking for a 10-minute kitchen science win.
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