Synchronize 2 Unit 6 Vocabulary - part 1

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Across
  1. 2. An unpleasant emotional or physical feeling that hurts.
  2. 3. Two organs responsible for breathing/ respiration.
  3. 6. Physical harm or damage to someone´s body.
  4. 7. To become less heavy.
  5. 9. The skeletal system.
  6. 12. A muscular organ that pumps blood throughout the body.
  7. 13. The muscular system
Down
  1. 1. An activity that prepares the muscles for work.
  2. 4. To become healthy and strong.
  3. 5. The mass of nerve tissue that is the main control center of the nervous system.
  4. 8. The movements you do before and after exercise to lengthen the muscles.
  5. 9. To use energy when you do an activity.
  6. 10. To relax.
  7. 11. "entrenar"