Muscle

1. Connective tissue that surrounds and separates muscles.
3. Fibrous band of tissue that connects muscle to bone.
5. Muscle that opposes the action of an agonist.
6. Ability of muscles to sustain repeated contractions over time.
8. Increase in muscle size due to growth of individual muscle fibers.
10. State of muscle when it is not contracting.
12. Muscle found only in the heart; involuntary and striated.
13. Movement that increases the angle between two body parts.
15. Tissue composed of fibers that contract to produce movement.
17. Protein filaments within muscle fibers that interact with actin during contraction.

1. Movement that decreases the angle between two body parts.
2. Decrease in muscle size due to lack of use or injury.
4. Protein filaments within muscle fibers that slide past myosin during contraction.
7. Shortening of muscle fibers to produce movement.
9. Type of muscle attached to bones and responsible for voluntary movement.
11. Muscle responsible for producing a specific movement.
14. unction where a motor neuron meets a muscle fiber, allowing for muscle contraction.
16. Type of muscle found in internal organs and blood vessels; involuntary.
18. Type of muscle contraction where muscle length changes.