Lesson 4 of 14 · The Human Body
Lesson⭐ 30 XP🌿 Wild JungleThe Respiratory System
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
Tap a word to see its definition.
Steps
Look at the vocabulary words and write a definition for each in your own words.
Build a model of the respiratory system using a plastic bottle, balloons, and a straw. Show how the diaphragm helps you breathe.
Observe what happens and describe it in detail.
Record your observations in your science journal with measurements and descriptions.
Check Your Understanding
Question 1
1 of 3What does the respiratory system do?
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.”
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The Respiratory System
Master the concept. Use it tomorrow.
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