Muscles are the tissues of the human body
composed of muscle fibers, which contract during body
656 there are muscles in the human body
There are three types:
- The heart muscle, which is different from other muscle, especially because it is subject to the influence of hormones, and contracts involuntarily.
- Smooth muscles, such as those found in the stomach, are voluntary muscles that work without stimulus.
- Skeletal muscle, they are related to bones and allow the move.
The shape of the muscle is elongated, flat or circular.
Original article published by
. Translated by Crashounette