Lesson 1

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Across
  1. 2. uses a stomach, liver, gallblatter, and appendix
  2. 5. moves waste from blood
  3. 6. defends against germs and diseases
  4. 7. are the smallest structural and functional system of an organism
  5. 8. moves your limbs and trunk
  6. 11. produces offspring
Down
  1. 1. is connected to your spinal cord and brain
  2. 3. made up of bones and joints
  3. 4. is made up of skin, nails, and hair
  4. 9. transports nutrients, wastes, and gasses
  5. 10. is the heart,liver,etc.
  6. 12. is a group of similar cells that preform a common function