医学英語 2017/10/05

2:04 the smallest and lightest bone in your body is the stapes. and it forms part of your middle ear structure, transferring sound from eardrum to the inner ear. the femur, the bone in our upper leg is our longest and strongest bone. 私たちの体で一番小さく軽い骨は中耳のにあるあぶみ骨で鼓膜の音を内耳に伝える役割をしています。一番強く長い骨は大腿骨です。

How easy is it to break a bone? - Zoo La La - Earth Unplugged