Muscular System
Across
- 2. The fiber bundles in muscles receive signals from the _______ ______
- 4. The ________ ______ are located in between bones
- 6. The muscular system is related to the respiratory system by allowing air containing 20% ______ to enter the lungs with the increased volume
- 7. Muscles are attached to bones by _______ and help them to move. When a muscle contracts, it gets shorter and so pulls on the bone it is attached to. When a muscle relaxes, it goes back to its normal size. Therefore muscles have to work in pairs to move a joint.
- 9. The ______ ______ are located in the walls of the heart
- 11. Those signals contract the ______, which in turn generates force and motion
- 12. Muscles, attached to bones or internal organs and blood vessels, are responsible for ________
- 13. Skeletal muscles are also called _______ muscles
- 14. Your _____ _____ are located in the stomach and intestines
- 15. A person has more than 600 _____
Down
- 1. The muscular system is related to the respiratory system by how the enriched Oxygen air diffuses into the Oxygen poor blood in the _________ ___________. This is the function of the respiratory system
- 3. The muscular system is related to the ___________ ______ by the muscular system using the diaphragm to enlarge the volume of the lungs
- 5. The ______ ____ is composed of specialized cells called muscle fibers. Their predominant function is contractibility.
- 8. Almost all movement in the body is the result of ______ contraction
- 10. An _____ ______ consisting of skeletal, smooth, and cardiac muscles