When we hear a sound, does any part of our body vibrate? Name the part.

Explanation

**Step-by-Step Solution:**

1. **Understanding Sound**: Sound is a form of energy that travels in waves and can be heard when it reaches our ears.

2. **Reception of Sound**: When sound waves enter our ear, they travel through the ear canal and reach the eardrum.

3. **Vibration of the Eardrum**: The eardrum is a thin membrane that vibrates when sound waves hit it. This vibration is crucial for hearing.

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