DO NOW - MUSCULAR SYSTEM

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Across
  1. 1. moving palms up
  2. 3. energy molecule needed for contraction
  3. 5. ion that moves bodyguards so myosin and actin can connect
  4. 9. contractions that produce movement
  5. 11. muscle that helps prime mover
  6. 12. stationary/immovable bone muscle is attached to
  7. 13. main muscle used for specific movement
  8. 14. thick protein involved in muscle contraction
Down
  1. 2. movable bone muscle is attached to
  2. 4. moving up on toes
  3. 6. movement away from the body
  4. 7. muscle tissue described as striated and voluntary
  5. 8. increasing the angle at a joint
  6. 10. bottom of foot turns inward
  7. 11. ion that signals muscle to release calcium for contraction