![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
![Did Your Know? The three smallest #bones in your #body are found in your #ear! | Weird but true, Human body, No response Did Your Know? The three smallest #bones in your #body are found in your #ear! | Weird but true, Human body, No response](https://i.pinimg.com/originals/ce/b7/71/ceb77146285c49228ef41fb770f32701.jpg)
Did Your Know? The three smallest #bones in your #body are found in your #ear! | Weird but true, Human body, No response
![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)
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
![HMD Healthcare on X: "Fascinating bone facts coming your way! Did you know the human body has 206 bones? Can you guess the name of the smallest bone in the human body? HMD Healthcare on X: "Fascinating bone facts coming your way! Did you know the human body has 206 bones? Can you guess the name of the smallest bone in the human body?](https://pbs.twimg.com/media/FsJ2SSxXoAAyXSC.jpg)