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How a Mosquito Finds You
Age 10 · Science
A mosquito first notices the carbon dioxide in your breath from far away. As it flies closer, it follows the smell of your skin, then feels your warmth and dampness.
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Age 10: open this week
Browse Age 10
In the picture
- Exhaled carbon dioxide: the breath cloud a mosquito senses from far off
- Body odor: skin scents that guide the mosquito in closer
- Heat and humidity: the warm, moist skin that confirms the landing spot
Examples
- A mosquito buzzing near your face after you run around outside
- Mosquitoes gathering at dusk around a sweaty person
Key takeaways
- A mosquito can sense the carbon dioxide in your breath from several metres away.
- Smell guides it close, and body heat tells it that it has reached skin.
Quiz: How a Mosquito Finds You (Age 10)
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What does a mosquito sense from far away?
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As it flies closer, what does the mosquito follow next?
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What tells the mosquito it has reached skin?
The answers, each with its explanation, are in the app. This lesson has left the free week, so its quiz is part of the subscription.
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