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Ask Dr. Universe Plants, Animals, and Bugs

Dear Dr. Universe, Do bugs have hearts and brains? -Nick

Take a look inside a bug and you’ll find one brain in its head and other little brains called “ganglia” along its whole body. These tiny control centers help insects see, taste, and smell. They also help them quickly escape threats, like other bugs.

“If you had little brains everywhere else, you would also be much quicker,” says bug expert Laura Lavine. Read More ...