![AstraZenecaUK on X: "There are about 320 pairs of #muscles in the human body. The largest muscles are those in your buttocks; the body's smallest muscles are found in the ears; their AstraZenecaUK on X: "There are about 320 pairs of #muscles in the human body. The largest muscles are those in your buttocks; the body's smallest muscles are found in the ears; their](https://pbs.twimg.com/media/DSmlzN-VQAAvcYx.jpg)
AstraZenecaUK on X: "There are about 320 pairs of #muscles in the human body. The largest muscles are those in your buttocks; the body's smallest muscles are found in the ears; their
Phleb-Finders - In honor of national bone day..Did you know that the smallest bone in the human body is in your ear?! How cool! | Facebook
![GreatBasinOrtho on X: "The smallest bone is the stirrup bone, which is located inside your ear drum. Only 0.1-0.13 inches in length, the stirrup bone is involved in the conduction of sound GreatBasinOrtho on X: "The smallest bone is the stirrup bone, which is located inside your ear drum. Only 0.1-0.13 inches in length, the stirrup bone is involved in the conduction of sound](https://pbs.twimg.com/media/E_Q7s_JWQAQ6Y4C.jpg)