| A | B |
|---|
| Body Movements | determinted by one or more types of muscles. |
| Skeletal Muscles | attached to the bones of the skeleton. Striped or striated. |
| Voluntary Muscles | Skeletal Muscles are these types of muscles |
| Muscle Fiber | Each muscle cell is known as this. |
| Smooth Muscle | Made up of Small, Spindle Shaped cells. They are unattached to bones and act slowly. |
| Involuntary Muscles | Examples: Smooth or Cardiac Muscles. They are not under conscious control |
| Cardiac Muscles | Muscles only found in the heart. |
| Sphincter muscles | special circular muscles; found in the |
| contractibility | In skeletal muscles, brings the attachment points closer together and causes the bone to move. |
| Excitability | characteristic of both muscle and nervous cells. The ability to respond to certain stimuli by producing electrical signals |
| action potentials | impulses /electrical signals |
| extensibility | the ability to be stretched. |
| Elasticity | The ability to return to original length when relaxing |
| Body Movement | One function of the muscle system |
| Body Form and Shape | Function of the muscle system that helps to maintain posture |
