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MUSCULAR SYSTEM huuuuuu - Coggle Diagram

- - - - empties liquid from the bladder
      - controls width of the blood vessels
      - moves food through digestive organs
  - - - has its own pacemaker for rhythmic beating.
      - composed of 3 layers
  - - - voluntary muscles (mostly)
      - attach to bones by tendons (connective tissue) and enable movement
    - - are tough, fibrous cords of connective tissue that link skeletal muscles to bones.