Hearts

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Across
  1. 2. What kind of tissue is the heart made of?
  2. 4. This organ pumps blood through your body
  3. 5. What vessel carries blood TOWARD the heart?
  4. 6. The ___ an animal, the faster its heart beats
  5. 7. Each part of the heart is called a ___
  6. 9. What vessel carries blood AWAY from the heart?
Down
  1. 1. A word for your heart rate that you can feel
  2. 3. What tells the heart to beat?
  3. 6. You need 9-12 hours of this every night for a healthy heart
  4. 8. What does the heart pump?