Lesson 56 of 84 · The Human Body
Lesson⭐ 30 XP🌿 Wild JungleSkin: Your Largest Organ (Part 3)
The Human Body.
🎯 Your mission
Understand the idea. Then look for it everywhere.
⚡ 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 excretory system removes waste products from the body. The kidneys filter blood to produce urine, the lungs remove carbon dioxide, and the skin releases some waste through sweat.
Key Words
- muscular system
- nervous system
- circulatory system
Steps
Read about The Human Body and write down three key facts.
Test reaction time: have a partner drop a ruler and catch it. Record the centimeter mark 10 times. Calculate your average reaction time.
Watch carefully for any changes and note the time.
Create a data table to organize your measurements.
Check Your Understanding
Question 1
1 of 3How many senses do humans have?
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.”
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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