Muscle Physfolio

2. Point where it’s attached to the immovable or less moveable bone
4. The gap between muscle cells’ membranes
6. Muscle around the eye
9. Moving a limb away from the body’s midline
10. Muscles that oppose of reverse a movement
12. Decreases the angle of the joint and brings bones towards each other
13. Threadlike protein that has 2 different types
14. Myosin heads or projections
17. Single, brief, jerky muscle contractions
18. The muscle only found in the heart
19. Increases the angle of the joint and move the bones away from each other
20. The neurotransmitter that stimulates skeletal muscle cells
21. One neuron and all the skeletal muscle cells it stimulates
23. Attach muscles indirectly to bones or cartilages
25. Point where it’s attached to the movable bone
27. It is made when pyruvic acid is generated during glycolysis
28. Type of muscle with no striations and is involuntary

1. Long ribbonlike organelles
3. An even tougher “overcoat” of connective tissue that bundles fascicles together
4. A specialized smooth endomplasmic reticulum
5. “feather like” Pattern, short fascicles attach obliquely to a central tendon
7. Chains of tiny contractile units made of myofibrils
8. Delicate connective tissue sheath
11. A bundle of muscle fibers
15. Plasma membrane where many oval nuclei can be seen beneath
16. The movement of a limb toward the body’s midline
20. When a muscle is no longer stimulated and loses tone and becomes paralyzed
22. Thread-like extension of a neuron, called the nerve fiber
24. Help prime movers by producing the same movement
26. A coarser fibrous membrane that wraps around several sheathed muscle fibers