Down
| 1. | physical activity, such as push-ups or curl-ups, which is the most effective exercise to develop the size and strength of skeletal muscles (2 words) |
| 3. | muscles which have bundles of muscle fibers arranged in rings around an opening. They control the size of the opening such as the anus or lip movement. (2 words) |
| 4. | muscles that have a tendon at each end, but at one end are attached by fascicles (2 words) |
| 5. | weaker muscle, but does allow for a wide range of movement. One moves the hyoid bone in the throat. (2 words) |
| 6. | painful muscle condition that can result if you use a muscle too much and tear muscle fibers (2 words) |
| 8. | action you can control. Skeletal muscles are voluntary muscles. |
| 9. | muscle which straightens part of the body |
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Across
| 2. | fast and constant physical activity that increases the oxygen supply to the muscles (2 words) |
| 6. | muscles that work with bones of the skeleton. They look striated under the microscope. They help you to walk, run, jump, or kick. (2 words) |
| 10. | action you can't control. Smooth muscles and cardiac muscle are involuntary muscles. |
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