The Amazing Ways Animals Hear Our World
Animals like cats, dogs, elephants, and humans have ears that stick out to help funnel sound vibrations into their inner ears! Dolphins, on the other hand, don’t have outer ears but have some of the sharpest hearing around. Scientists think dolphins use a part of their jawbone to send vibrations to their inner ears. Inside the inner ear, these vibrations travel to the cochlea, which is full of tiny hair cells that help detect different sound frequencies. The longer an animal's cochlea, the more types of hair cells it has, giving it a wider range of hearing abilities. Pretty cool, right?…
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