Organs/Organ Systems, S.Hipes

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Across
  1. 3. Similar cells that work together to perform a specialized function.
  2. 6. The basic unit of life
  3. 7. A cellular organism that lacks an envelope-enclosed nucleus.
  4. 8. System Two or more organs that work together to perform body functions
  5. 9. A material made up of fibers forming a framework and support structure for body tissues and organs.
  6. 12. Produces hormones that act on target tissue in other organ to influence growth+development
Down
  1. 1. Organisms whose cells have a nucleus enclosed within a nuclear envelope.
  2. 2. sheath A fatty insulating layer that surrounds the nerve cells of jawed vertebrates, or gnathostomes.
  3. 4. The complicated unit of striated muscle tissue.
  4. 5. A component of the animal skeletal muscle.
  5. 10. A long extension of the cell that carries electrical signals away from cell body.
  6. 11. differentiation The process by which cells become specialized in structure and function.