Ears: Their Structure and Care
Ears: Their Structure and Care
「Ears: Their Structure and Care」フル ムービーをオンラインで視聴し、無料の をダウンロード. This educational film illustrates the structures and functions of the outer, middle and inner ear. Shows the importance of the semicircular canals as organs of balance.
- ジャンル: ドキュメンタリー
- 国: United States
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