Heart

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Across
  1. 2. the muscular wall that divides the heart into its left and right sides
  2. 5. muscle makes up the thick middle layer of the heart
  3. 6. A blood vessel that carries blood to the heart from tissues and organs in the body.
  4. 7. A large vein that carries blood to the heart from other areas of the body
  5. 8. deliver oxygen and nutrients to cells throughout the body, while removing carbon dioxide and waste
Down
  1. 1. a muscular chamber of the heart that pumps blood to the lungs or the rest of the body
  2. 3. An electronic device that is implanted in the body to monitor heart rate and rhythm
  3. 4. the largest artery in the body
  4. 6. structures located within the heart that regulate the flow of blood through its chambers
  5. 9. an anatomical cavity or passage
  6. 10. have thick walls to prevent backflow of blood