Crossword Puzzle #11 - Chapter 10 PowerPoint

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Across
  1. 2. Sarcomeres produce _____ tension when thick and thin filaments overlap between about 80 percent to 120 percent.
  2. 4. Muscle fibers are covered by the ______.
  3. 6. The functional unit of a skeletal muscle fiber.
  4. 7. When the stimulus frequency is so high that the relaxation phase disappears completely, the contractions become continuous
Down
  1. 1. A skeletal muscle fiber is surrounded by a plasma membrane called the ______.
  2. 3. A single muscle ____ has a latent period, a contraction phase when tension increases, and a relaxation phase when tension decreases.
  3. 5. During ______ contractions, muscle length changes to move a load.