Nervous/Muscle System

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4 Terms

1
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What is the main function of muscle tissue?

Muscle tissue's main function is to contract and shorten to produce movement.

2
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What are the three types of muscle tissue?

The three types of muscle tissue are:

  1. Skeletal
  2. Cardiac
  3. Smooth
3
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Describe skeletal muscle tissue.

Skeletal muscle:

  • Is controlled voluntarily.
  • Pulls on bones or skin to move the body.
  • Cells are long, cylindrical, multinucleate, and striated (striped).
  • Cells are called muscle fibers.
  • Is packaged into organs called skeletal muscles.
4
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Describe cardiac muscle tissue.

Cardiac muscle:

  • Is involuntarily controlled.
  • Is found only in the heart.
  • Cells are striated, have only one nucleus, are shorter and branched.
  • Cells are connected via gap junctions at intercalated disks.
  • Gap junctions allow for rapid communication of electrical impulses.