From Cells to Systems

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Across
  1. 4. An individual form of life.
  2. 5. A group of organs that works together to perform a function.
  3. 7. Covers the inside and outside surfaces of the body.
  4. 8. A group of similar cells that carry out the same function.
  5. 10. Provides support for all of the body parts.
  6. 11. The basic unit of structure in living organisms that can function by itself.
  7. 12. Moves oxygen from your lungs to the rest of your body.
Down
  1. 1. Carries messages between the brain and other parts of the body.
  2. 2. Makes parts of the body move.
  3. 3. Contracts and relaxes, which makes the body move.
  4. 6. Send messages around the body.
  5. 9. A group of two or more tissues that work together to perform a function.