Body Systems - Structure and Function

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Across
  1. 3. A group of tissues that perform a similar function.
  2. 5. A group of similar cells that perform a specific function
  3. 7. The system that functions in gas exchange
  4. 8. The system that makes blood, provides protection, and helps you move.
  5. 12. The system that creates more human beings you really do not add water to make more, like gremlins.
  6. 13. The system that transports nutrients and gasses throughout your body
Down
  1. 1. The system that breaks down food into a form your body can use.
  2. 2. A group of organs that perform a specific function.
  3. 4. The system that helps you fight off bacteria, viruses, and foreign objects.
  4. 6. The smallest unit of structure and function in all living things.
  5. 9. The system that releases hormones that help change your body to meet the stress of aging and run or flee responses.
  6. 10. The system that consist of tissue that expands and contracts, helps you move, and provides heat and protection
  7. 11. The system that sends lightning fast messages all over your body.