Parts of the Heart

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Across
  1. 2. They connect the veins to the arteries.
  2. 5. A muscle that makes up the middle layer of the heart and is also responsible for the pumping of the heart.
  3. 6. Flaps that open and close in the heart letting blood leave the heart.
  4. 8. Tubes that transfer high-oxygen blood from the heart to the body.
  5. 9. Generates electrical pulses that cause your heart to beat.
  6. 10. A large vein that carries low-oxygen blood from the lower part of your body to the heart.
Down
  1. 1. A part of the heart that receives blood from veins and sends it back out to the ventricles.
  2. 3. A large artery that supplies oxygenated blood to the body.
  3. 4. A wall of tissue that separates the heart's left and right sides.
  4. 7. The lower two chambers that make up the heart.
  5. 10. Tubes that carry low-oxygen blood from around the body to the heart.