Lesson 5.2 Crossword
Across
2. | units composed of actin and myosin that contract inside the muscle fiber |
5. | the link between an axon terminal and a muscle fiber |
7. | the electric charge produced in nerve or muscle fiber by stimulation |
8. | offshoots of the axon that branch out to connect with individual muscle fibers |
10. | a nerve that stimulates skeletal muscle tissue |
11. | type of muscle that contracts slowly and is fatigue resistant |
12. | a type of muscle fiber arrangement in which each fiber attaches obliquely to a central tendon |
13. | connections between the heads of myosin filaments and receptor sites on the actin filaments |
Down
1. | a neurotransmitter chemical that stimulates muscle |
3. | the tiny gap that separates the axon terminal and muscle fiber |
4. | a type of muscle fiber arrangement in which fibers run largely parallel to each other along the length of the muscle |
6. | a single motor neuron and all of the muscle fibers that it stimulates |
9. | a sustained, maximal level of muscle tension that occurs with high-frequency stimulation |