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Types Of Muscle
Beginning of essay
Muscle, tissue or organ of the body characterized by the ability to contract, usually in response to a stimulus from the nervous system. The basic unit of all muscle is the myofibril, a minute, threadlike structure composed of complex proteins. Each muscle cell, or fiber, contains several myofibr ....
Middle of essay
....the central nervous system, and because it is partly under conscious control, it is also called voluntary muscle. Most skeletal muscle is attached to portions of the skeleton y connective-tissue attachments called tendons. Contractions of skeletal muscle serve to move the various bones and cartilages of the skeleton. Skeletal muscle forms most of the underlying flesh of vertebrates.
Smooth Muscle:
Visceral, or involuntary, muscle is composed of spindle-shaped cells, each having a central nu.... |
| Number of words: 1434 |
Approximate pages: 6 |
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