The smallest muscle in the inner ear is called the stapedius muscle. It is located in the middle ear and is responsible for stabilizing the stapes bone, which is involved in the transmission of sound vibrations to the inner ear. The stapedius muscle helps to protect the inner ear from loud sounds by reducing the movement of the stapes.
what do you call the smallest partical that makes up all things
There's no theoretical minimum to size, except that you need to have more than a single molecule to call it a "rock". The smallest bits would thus be on the order of nanometers.
The smallest part of a compound is the atom.
heart muscle
2.34mm
Your conscience!
muscle tone
inner layer? well, i guess you could call the organs and the organ tissue as the inner layer.
a cell
A tiny frog is called a porwigle and the world's smallest frog is known as Paedophryne amanuensis found in Papua New Guinea.
The muscle that cover the heart is myocardium
"internal" or "inner"