Unit 2: Bones, muscles and alcohol

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Across
  1. 7. When one muscle contract, the _____ expands.
  2. 9. Bones that protect our heart and lungs.
  3. 10. Organs that contract and expand to create movement.
  4. 11. Disease where you become addicted to alcohol.
  5. 13. A legal drinkable drug.
  6. 14. Organ that is affected by drinking alcohol.
  7. 15. A substance that produces addiction.
Down
  1. 1. Muscles that we can control their movement. Involuntary Muscles that we cannot control.
  2. 2. A person that is addicted to alcohol.
  3. 3. The area where 2 or more bone meet together.
  4. 4. System that is formed by bones and joints.
  5. 5. Structures that connect muscles to the bones.
  6. 6. System that is formed by muscles and tendons.
  7. 8. The longest bone of the body.
  8. 12. The bones in our head that protects our brain.
  9. 14. Rigid structure that give support, strength and protection.