The Heart

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Across
  1. 3. The heart is located in our ______.
  2. 5. This protects our heart in something that looks like a cage.
  3. 6. Where we can feel our heart beating.
  4. 7. The tip of the heart is called this.
  5. 8. The heart beats all the time, it never ____.
Down
  1. 1. The size of our heart is equal to this.
  2. 2. The heart has 4 rooms called ______.
  3. 4. The "doors" in the heart that let blood in and out.
  4. 5. The color of your blood.
  5. 9. Your blood vessels deliver this all over your body.