| A whole skeletal muscle is considered an _____ of the muscular system. | organ |
| What consists each organ or muscle? | skeletal muscle tissue, connective tissue, nerve tissue, blood or vascular tissue |
| The muscular system is composed of specialized cells called? | Muscle fibers |
| Nearly all movement in the body is the result of _____ _____. | muscle contraction. Exceptions are action of cilia, flagellum on sperm cells, amoeboid movement of WBC. |
| More than __% of the body weight is muscle and it is made up of ____ and ____. | 50, proteins, water |
| True/False:
Some skeletal muscles are broad in shape and some narrow. | True |
| True/False:
Some muscle fibers are parallel to the long axis of the muscle; in some they converge to a narrow attachment; and in some they are oblique. | True |
| Skeletal muscles vary in _____, ______, and ___________. | size, shape, arrangement of fibers |
| Word roots:
Root: Cala; meaning: | insert; example: intercalated disks join the ends of adjacent cardiac muscle cells |
| Word roots:
Root: Cardio; meaning: | the heat; example: the wall of the heart contains cardiac muscle tissue |
| Word roots:
Root: Endo; meaning: | within, inner; example: the endomysium is connective tissue situated between individual muscle cells within a fascicle |
| Word roots:
Root: Fasci; meaning: | a bundle; example: skeletal muscle cells are arranged in bundles called fascicles |
| Word roots:
Root: Myo; meaning: | muscle; example: the myocardium is the middle, muscular layer of the wall of the heart |
| Word roots:
Root: Mys; meaning: | muscle; example: the endomysium is loose connective tissue between muscle cells within a muscle fascicle |
| Word roots:
Root: Peri; meaning: | Around; example: perimysium is connective tissue that surrounds a group of skeletal muscle cells to form a fascicle |
| Word roots:
Root: Striat; meaning: | streaked; example: muscle cells that are striated appear streaked or striped |
