Lesson 70 of 84 · The Human Body
Lesson⭐ 30 XP🌿 Wild JungleBreathing: The Respiratory System (Part 4)
The Human Body.
🎯 Your mission
Master the concept. Use it tomorrow.
⚡ The twist
What the body does in one minute is wilder than any cartoon.
Mind = Blown
🐙 An octopus has 9 brains and 3 hearts.
Make a hypothesis first
Guess: how does the body solve this problem?
What You'll Learn
The respiratory system brings oxygen into the body and removes carbon dioxide. When you breathe in, air enters the lungs where oxygen passes into the blood.
Key Words
- response
- reflex
- immune system
Steps
Study the diagram and label the parts you recognize.
Map your taste zones: dip cotton swabs in salty, sweet, sour, and bitter solutions. Touch different areas of your tongue and record where each taste is strongest.
Use your senses (except taste) to describe what you notice.
Write a summary of your findings in 3-5 sentences.
Check Your Understanding
Question 1
1 of 3What does the respiratory system do?
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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