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Do flies really throw up on your food when they land on it?

  • Written by Ravindra Palavalli-Nettimi, Postdoctoral Research Associate, Florida International University
Do flies really throw up on your food when they land on it?A fly regurgitating digestive juices.Carlos Ruiz, CC BY-NDDo flies really throw up on your food when they land on it?

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to curiouskidsus@theconversation.com.

Do flies really throw up on my food when they land on it? – Henry E., age 10, Somerville, Massachusetts

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