Mon Prof Augmenté
Nose and Brain
Open to everyone until Friday, October 2
To keep it, print it while it is open.
Scent molecules float in the air and enter your nose. They fit into matching spots inside the nose, and nerves carry signals to the brain so you notice a smell.
In the picture
- Scent molecules: tiny shapes drifting in the air
- Receptor cavity: a matching pit on a ciliated cell
- Nerve pathway: signals traveling to the brain
Examples
- Smelling bread toasting in a kitchen.
- Noticing soap or perfume on a hand.
Key takeaways
- Scent molecules must match a receptor shape to be detected.
- The brain turns nerve signals from the nose into the experience of a smell.
Carry on in the app
Three questions on this lesson, to check the idea stuck. Free in the app while the lesson is in the free week.
At least one new illustrated lesson every weekday for your child’s year, with its quiz and a reminder at 6:15 pm.
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