Now Hear This!: The Secrets of Ears and Hearing (The Gross by Melissa Stewart

By Melissa Stewart

This enticing sequence teaches readers concerning the physique and its many gross services.

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Additional resources for Now Hear This!: The Secrets of Ears and Hearing (The Gross and Goofy Body)

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New York: Children’s Press, 2008. Stewart, Melissa. How Do Bats Fly in the Dark? Benchmark Book, 2008. WEBSITES Did You Know There’s a Jawbone in Your Ear? Scientists from the Smithsonian Institution’s Natural History Museum explain how ears evolved over time. htm Guinness World Records Up-to-date information on some of the strangest world’s records you can imagine. aspx The Sound Site Hear some surprising sounds and try some fun activities to learn more about sound. html 46 Page numbers in bold are illustrations.

S, and le t e e b r e ig t , s r Cicadas, grasshoptphes have ears on the o many kinds of m s and a d a ic C . s ie d o b their back section of mates. d n fi o t s r a e ir e se th grasshoppers u eir ears h t n o ly e r s h t o dm Tiger beetles an enemies. m o r f e p a c s e to help them Crickets and katydids have ears on their knees. They’re perfect for hearing the mating songs the males make with their wings. As mosquitoes fly ’s ears y fl id in h c a A female t near the tops of are located hears a e h s n e h her legs.

Thorax—The middle section of an insect’s body, where the legs and wings are attached. tympanic canal—One of the tubes in the cochlea. It carries waves it receives from the vestibular canal to the round window. ultrasound—A sound with a pitch so high, human ears can’t detect it. vestibular canal—One of the canals in the cochlea. As the oval window pushes into the fluid-filled vestibular canal, waves form. vestibule—A structure in the inner ear. It contains two small sacs that sense changes in the position of the head.

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