Mon Prof Augmenté
Color Cells Send Signals
Light enters the eye and lands on three tiny color cells at the back. Each cell sends its own signal along a nerve pathway to the brain.
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In the picture
- Badge 1 sits on the blue color cell.
- Badge 2 sits on the green color cell.
- Badge 3 sits on the red color cell.
- Badge 4 sits on the small brain shape.
Examples
- Looking at a red apple
- Watching a green tree outside
Key takeaways
- Three kinds of color cells respond to blue, green, and red light.
- Their signals travel along nerves to the brain, which builds the colors you see.
Carry on in the app
Three questions on this lesson. It has left the free week, so its quiz is for subscribers.
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