| A | B |
|---|
| Atrophy | To waste away or decrease in size |
| Biceps | Skeletal muscles found in the upper arm. |
| Cardiac Muscle | involuntary muscles located in the heart |
| involuntary muscle | muscle that does not respond to thinking about movement |
| quadriceps | Skeletal muscles found at the front of your thigh. |
| skeletal muscle | voluntary muscles attached to bone |
| smooth muscle | involuntary muscles located in the hollow internal organs |
| striated muscle | muscle that appears to be striped (cardiac and skeletal) |
| tendons | tough tissue that attachs skeletal muscle to bone |
| triceps | skeletal muscles found at the back of the upper arm |
| voluntary muscle | muscle that responds when thinking about movement |
| muscle | produces body movement by pulling on bones when they contract |
| blood vessel | a tubular vessel that carries blood through tissues and organs |
| muscle fiber | structural cells of the muscle |
| fascicles | orgnized bundle of muscle fibers |
| endomysium | a thin layer of tissue that covers each muscle fiber |
| epimysium | the outer surface of the muscle |
| striations | a series of ridges and linear marks on the muscle fiber |
| actin and myosin filaments | responsible for the movement of a muscle |
| myofibrils | rod-like unit of a muscle cell |
| myocytes | muscle fibers in striated muscles and can turn into chains of myofibrils |
