Skeletal, Muscular, and Integumentary System

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Across
  1. 3. the energy molecule used to help sarcomeres contract
  2. 6. backbone
  3. 8. bones that make up the “axis” of the body; includes head bones, rib cage, and the vertebral column
  4. 9. where bones meet
  5. 10. soft tissue that fills the cavities inside the bone
Down
  1. 1. a ring of muscle located in a tubular organ or at a body opening
  2. 2. sheet-like tissue consisting of tightly packed cells with little extracellular material between them.
  3. 4. an internal framework of hard parts
  4. 5. second layer of skin that consists mostly of connective tissues and different fibers.
  5. 7. the main neurotransmitter involved with voluntary movement