Parts of the Heart

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Across
  1. 4. Acts as the heart’s natural pacemaker.
  2. 5. The main blood vessel in the heart.
  3. 6. They ensure that the blood moves at the right time and direction.
  4. 7. The top two chambers of the heart.
  5. 8. Separates the left and right sides of the heart.
  6. 9. A type of blood vessel that delivers nutrients & oxygen throughout the body.
Down
  1. 1. It brings deoxygenated blood back to the heart to get oxygen.
  2. 2. The bottom two chambers of the heart.
  3. 3. Responsible for the contractility of the heart.
  4. 6. A type of blood vessel that carries blood back to the heart.
  5. 7. A type of blood vessel that carries blood away from the heart.