Animal Anatomy

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Across
  1. 4. Vessel that carries blood away from the heart
  2. 7. voice box for birds
  3. 9. mostly found in joints and give flexibility
  4. 10. 1st chamber of the heart
Down
  1. 1. smaller stems of bronchi
  2. 2. Connections of bone in the animal's body
  3. 3. Vessel that carries deoxygenated blood toward the heart
  4. 5. filters toxins from blood
  5. 6. control center of the nervous system
  6. 8. 2 main branches from trachea