Fountain of Youth Vocabulary

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Across
  1. 5. biologist
  2. 7. accelerate
  3. 9. accumulate
  4. 11. xenotransplantation
  5. 13. nutrition
  6. 14. Hayflick
  7. 15. supplement
Down
  1. 1. molecules
  2. 2. calories
  3. 3. oxygen
  4. 4. metabolism
  5. 6. nutrient
  6. 8. electrons
  7. 10. cells
  8. 12. imbalance