Human Body

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Across
  1. 3. What is another name for the thigh bone?
  2. 4. What is another name for your trachea?
  3. 5. What protects your lungs and heart?
  4. 8. Part of the lymphatic system.
  5. 9. Name of your voice box.
Down
  1. 1. How many layers of skin do we have?
  2. 2. What is the bus stop for nutrients?
  3. 6. A bone found in your ear.
  4. 7. How many types of teeth are there?