Lesson 79 of 84 · The Human Body
Lesson⭐ 30 XP🌿 Wild JungleKidneys and the Excretory 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
Eyes detect light using the retina, which contains rod cells (for dim light) and cone cells (for color). The lens focuses light onto the retina, creating an image the brain interprets.
Key Words
- circulatory system
- respiratory system
- organ system
Steps
Review the background information on The Human Body before starting.
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 are the five basic tastes?
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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