Across
- 9. Holds body upright against gravity and maintains balance
- 11. Forearm and palm are turned inward
- 12. Pointing the toes downward
- 13. Bundle of muscle fibers
- 14. byproduct of muscle activity and maintains body temperature
- 16. Functional unit of muscle fibers; made of actin & myosin
- 17. Pulling a structure away from the midline
- 18. Forearm and palm are turned outward
- 19. The cell membrane
- 20. Thin filament
- 21. Stores calcium ions needed for contraction
- 22. The primary function of skeletal muscles to produce movement
Down
- 1. Transporting substances like blood or food from one part of the body to another
- 2. Electrical current generated by change in charge
- 3. Increasing an angle between two parts
- 4. Decreasing an angle between two parts
- 5. Returns muscle fiber to resting state
- 6. Attaches a muscle to a bone
- 7. Pulling toes up toward shin
- 8. Thick filament
- 10. Provides energy for muscle contraction
- 15. Neurotransmitter responsible for muscle contraction
- 17. Pulling a structure back towards the midline