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Mosquitos

SciShow Tangents

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How Does Carbon Dioxide Attract Mosquitoes?

The carbon dioxide that you breathe out, specifically in bursts, has been found to attract mosquitoes. The things that mosquitoes use to sense carbon dioxide are a combination of olfactory sensory neurons and the hairs on the antenna and their mouth arts. Some people secrete proteins related to their blood type which will let them know what blood type is moving through your veins. And so there's some research that says that type o, which is the the one with no markers on the outside of the blood cell, seems to be the most attractive.

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