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Describe the path followed by a sound wave from its source to the cochlea in
the human ear.​

Sound waves enter the outer ear and travel through a narrow passageway called the ear canal, which leads to the eardrum. The eardrum vibrates from the incoming sound waves and sends these vibrations to three tiny bones in the middle ear. These bones are called the malleus, incus, and stapes. M not sure

there are so many examples for that in different areas, like biology experiment carried out in our lab recently.

here's one link:

answer; ///progressive relaxation;