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Anantomy
The Muscular Sysytem
| Question | Answer |
|---|---|
| Zygomaticus | Muscles that makes you smile |
| Masseter | Opens and closes jaw |
| 2 Purposes of the Muscular System | 1.Heat Production 2.Movement |
| Fascia | Layers of connective tissue that seperates muscles |
| The Layers of a muscles | 1.Fascicle 2.Muscles Fiber 3.Myofibril |
| Fascicle | 1st layer; bundles of muscle fibers that make a a muscles |
| Muscles Fiber | 2nd Layer; the basic unit of a muscle |
| Myofibril | 3rd (last) Layer; bundles of muscles fiber that make up a muscles fiber |
| Make-up of a Myofbril | Sarcomere Myosin Actin Z-Line |
| Run out of oxgyen, what happens? | Your body switches to anaorbic metabolism |