The Human Body - Lessons 1.1-1.2

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Across
  1. 1. The control center of a cell
  2. 5. Each organ in the body is part of a(n) _____________ performing a major function.
  3. 8. Another name for the circulatory system.
  4. 9. The skin is made of this tissue
  5. 10. Process by which nutrients move from the digestive system into the bloodstream.
  6. 11. Chemical substances needed by body cells that result from the process of digestion.
  7. 13. Chemical substances produced by glands that affect many body processes.
  8. 15. The elbow and shoulder are types of these.
  9. 16. A tissue that has the ability to contract
Down
  1. 2. Tissue that connects all of the body’s parts.
  2. 3. Skin and kidneys are examples of these
  3. 4. This system removes waste products from the body
  4. 6. The least complex level of organization of the human body
  5. 7. The circulatory system works with the ___________ system to get nutrients to all body cells.
  6. 12. The muscles attached to bones that provide the force to move the bones
  7. 14. A group of similar cells performing the same function