How Hearing Works - Ear and Sound Wave Illustration #2062314 (License: Personal Use)

This hand-drawn-style diagram depicts a human external ear (pinna and auditory canal) with green wavy lines representing sound waves approaching and entering the ear. The clean, minimal aesthetic emphasizes the concept of acoustic signal reception without anatomical complexity, making it accessible for educational or medical communication.

Used on health blogs, audiology websites, or STEM learning pages to explain basic hearing mechanics; matches user intent for visual aids in understanding sound perception or hearing loss prevention.