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Types Of Muscle
Part 1 of Paper
....o 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 myofibrils, which are composed of regularly arranged myofilaments if two types, thick and thin. Each thick myofilament contain.... Part 2 of Paper
....y in the heart. It consists of linked fibers that contract in unison producing the heartbeat.
Skeletal, or Striated Muscle Tissue:
This type of muscle is composed of long fibers surrounded by a membranous sheath, the sarcolemma. The fibers are elongated, sausage-shaped cells containing many nuclei and clearly display longitudinal and cross striations. Skeletal muscle is supplied with nerves from the central nervous system, and because it is partly under conscious control, it is also called vo.... |
| Number of words: 1434 - Approximate pages: 6 |
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