The heart

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Across
  1. 4. – Carries blood away from the heart.
  2. 7. – The main artery leaving the heart.
  3. 8. – Organ where blood picks up oxygen.
  4. 10. – The heartbeat felt in arteries.
Down
  1. 1. – Liquid part of blood.
  2. 2. – Lower chamber of the heart.
  3. 3. – Carries blood toward the heart.
  4. 5. – Upper chamber of the heart.
  5. 6. – Prevents backflow of blood.
  6. 9. – Wall dividing left and right sides of the heart.